/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=SMALLEST --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_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:57:39,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:57:39,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:57:39,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:57:39,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:57:39,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:57:39,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:57:39,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:57:39,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:57:39,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:57:39,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:57:39,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:57:39,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:57:39,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:57:39,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:57:39,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:57:39,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:57:39,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:57:39,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:57:39,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:57:39,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:57:39,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:57:39,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:57:39,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:57:39,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:57:39,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:57:39,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:57:39,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:57:39,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:57:39,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:57:39,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:57:39,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:57:39,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:57:39,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:57:39,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:57:39,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:57:39,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:57:39,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:57:39,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:57:39,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:57:39,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:57:39,798 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 [2020-09-24 17:57:39,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:57:39,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:57:39,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:57:39,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:57:39,848 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:57:39,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:57:39,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:57:39,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:57:39,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:57:39,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:57:39,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:57:39,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:57:39,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:57:39,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:57:39,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:57:39,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:57:39,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:57:39,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:57:39,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:57:39,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:57:39,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:57:39,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:39,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:57:39,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:57:39,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:57:39,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:57:39,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:57:39,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:57:39,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:57:39,855 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 17:57:40,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:57:40,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:57:40,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:57:40,375 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:57:40,376 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:57:40,377 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-24 17:57:40,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf7cc2043/1e23e26c92004f1798515e4be3efff4f/FLAGe180cf176 [2020-09-24 17:57:41,091 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:57:41,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-24 17:57:41,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf7cc2043/1e23e26c92004f1798515e4be3efff4f/FLAGe180cf176 [2020-09-24 17:57:41,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf7cc2043/1e23e26c92004f1798515e4be3efff4f [2020-09-24 17:57:41,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:57:41,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:57:41,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:41,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:57:41,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:57:41,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:41" (1/1) ... [2020-09-24 17:57:41,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1225839d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:41, skipping insertion in model container [2020-09-24 17:57:41,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:41" (1/1) ... [2020-09-24 17:57:41,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:57:41,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:57:41,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:42,003 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:57:42,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:42,123 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:57:42,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42 WrapperNode [2020-09-24 17:57:42,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:42,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:57:42,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:57:42,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:57:42,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... [2020-09-24 17:57:42,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:57:42,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:57:42,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:57:42,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:57:42,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:57:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:57:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:57:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:57:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:57:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:57:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:57:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:57:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:57:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:57:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:57:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 17:57:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 17:57:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:57:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:57:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:57:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:57:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:57:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:57:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 17:57:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:57:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 17:57:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:57:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:57:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:57:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:57:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:57:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:57:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:57:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:57:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:57:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:57:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:57:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:57:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:57:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:57:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:57:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:57:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:57:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:57:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:57:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:57:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:57:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:57:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:57:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:57:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:57:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:57:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:57:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:57:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:57:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:57:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:57:43,649 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:57:43,649 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:57:43,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:43 BoogieIcfgContainer [2020-09-24 17:57:43,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:57:43,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:57:43,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:57:43,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:57:43,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:57:41" (1/3) ... [2020-09-24 17:57:43,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2570c8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:43, skipping insertion in model container [2020-09-24 17:57:43,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:42" (2/3) ... [2020-09-24 17:57:43,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2570c8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:43, skipping insertion in model container [2020-09-24 17:57:43,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:43" (3/3) ... [2020-09-24 17:57:43,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-09-24 17:57:43,681 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:57:43,693 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:57:43,719 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:57:43,753 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:57:43,753 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:57:43,753 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:57:43,753 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:57:43,753 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:57:43,754 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:57:43,754 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:57:43,754 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:57:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2020-09-24 17:57:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:57:43,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:43,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:43,806 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1254916624, now seen corresponding path program 1 times [2020-09-24 17:57:43,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:43,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611727958] [2020-09-24 17:57:43,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:46,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:47,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:48,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:57:49,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 17:57:49,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:57:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 17:57:49,726 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:49,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 17:57:49,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:49,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:49,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:49,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:49,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:49,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:57:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:57:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:49,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:49,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:49,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:50,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611727958] [2020-09-24 17:57:50,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:50,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:57:50,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344934449] [2020-09-24 17:57:50,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:57:50,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:50,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:57:50,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:50,056 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 4 states. [2020-09-24 17:57:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:51,589 INFO L93 Difference]: Finished difference Result 478 states and 569 transitions. [2020-09-24 17:57:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:57:51,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:57:51,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:51,613 INFO L225 Difference]: With dead ends: 478 [2020-09-24 17:57:51,613 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 17:57:51,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 17:57:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 257. [2020-09-24 17:57:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-09-24 17:57:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 280 transitions. [2020-09-24 17:57:51,732 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 280 transitions. Word has length 148 [2020-09-24 17:57:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:51,733 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 280 transitions. [2020-09-24 17:57:51,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:57:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 280 transitions. [2020-09-24 17:57:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:57:51,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:51,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:51,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:57:51,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:51,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:51,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1685904338, now seen corresponding path program 1 times [2020-09-24 17:57:51,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:51,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659053694] [2020-09-24 17:57:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:55,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:56,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:56,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:57:56,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 17:57:56,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:57:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:57:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,132 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:57,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 17:57:57,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:57,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:57,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:57,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:57,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:57,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:57,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:57,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:57,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:57,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:57:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:57,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:57,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:57,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:57,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:57,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:57,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659053694] [2020-09-24 17:57:57,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:57,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:57:57,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723001698] [2020-09-24 17:57:57,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:57:57,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:57,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:57:57,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:57:57,366 INFO L87 Difference]: Start difference. First operand 257 states and 280 transitions. Second operand 5 states. [2020-09-24 17:57:58,025 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:57:59,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:59,074 INFO L93 Difference]: Finished difference Result 403 states and 460 transitions. [2020-09-24 17:57:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:57:59,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:57:59,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:59,080 INFO L225 Difference]: With dead ends: 403 [2020-09-24 17:57:59,081 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 17:57:59,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:57:59,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 17:57:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 247. [2020-09-24 17:57:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-24 17:57:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 267 transitions. [2020-09-24 17:57:59,126 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 267 transitions. Word has length 149 [2020-09-24 17:57:59,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:59,135 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 267 transitions. [2020-09-24 17:57:59,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:57:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 267 transitions. [2020-09-24 17:57:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:57:59,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:59,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:59,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:57:59,139 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:59,140 INFO L82 PathProgramCache]: Analyzing trace with hash 285383563, now seen corresponding path program 1 times [2020-09-24 17:57:59,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:59,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950452350] [2020-09-24 17:57:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:59,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:59,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:58:04,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:58:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-24 17:58:04,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:58:04,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:58:04,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:04,534 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:04,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 17:58:04,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:04,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:04,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:04,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:04,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:04,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:58:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:04,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:04,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:04,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:58:04,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:58:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:04,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:04,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:58:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:04,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:04,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:04,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:58:04,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950452350] [2020-09-24 17:58:04,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:04,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:58:04,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509947755] [2020-09-24 17:58:04,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:58:04,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:04,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:58:04,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:58:04,844 INFO L87 Difference]: Start difference. First operand 247 states and 267 transitions. Second operand 6 states. [2020-09-24 17:58:05,560 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:06,607 INFO L93 Difference]: Finished difference Result 450 states and 525 transitions. [2020-09-24 17:58:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 17:58:06,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:58:06,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:06,612 INFO L225 Difference]: With dead ends: 450 [2020-09-24 17:58:06,612 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 17:58:06,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:58:06,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 17:58:06,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 247. [2020-09-24 17:58:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-24 17:58:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 266 transitions. [2020-09-24 17:58:06,656 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 266 transitions. Word has length 162 [2020-09-24 17:58:06,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:06,657 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 266 transitions. [2020-09-24 17:58:06,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:58:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 266 transitions. [2020-09-24 17:58:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 17:58:06,660 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:58:06,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:58:06,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:58:06,661 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:58:06,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:58:06,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1942509693, now seen corresponding path program 1 times [2020-09-24 17:58:06,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:58:06,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286957614] [2020-09-24 17:58:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:58:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:07,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:07,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:08,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:11,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-24 17:58:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:58:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-24 17:58:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:58:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 17:58:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 17:58:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,088 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:12,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 17:58:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:12,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:12,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:12,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:12,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:12,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:12,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:58:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:12,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:12,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:58:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 17:58:12,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:58:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:58:12,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:58:12,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:12,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:58:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 17:58:12,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:58:12,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:58:12,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:58:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:58:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 17:58:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 17:58:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:58:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:58:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:58:12,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286957614] [2020-09-24 17:58:12,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:12,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 17:58:12,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664714437] [2020-09-24 17:58:12,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 17:58:12,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:12,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 17:58:12,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:58:12,434 INFO L87 Difference]: Start difference. First operand 247 states and 266 transitions. Second operand 11 states. [2020-09-24 17:58:13,073 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:14,663 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 17:58:15,251 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 17:58:15,637 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,979 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:58:16,284 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:16,599 INFO L93 Difference]: Finished difference Result 389 states and 452 transitions. [2020-09-24 17:58:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 17:58:16,600 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-24 17:58:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:16,602 INFO L225 Difference]: With dead ends: 389 [2020-09-24 17:58:16,602 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:58:16,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-09-24 17:58:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:58:16,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:58:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:58:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:58:16,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-09-24 17:58:16,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:16,605 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:58:16,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 17:58:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:58:16,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:58:16,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:58:16,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:58:16,804 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,022 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 17 [2020-09-24 17:58:17,196 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,375 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,538 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,708 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,126 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:18,481 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:18,830 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,178 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,523 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,677 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:19,832 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:19,985 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,138 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,282 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:20,435 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,594 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 17 [2020-09-24 17:58:20,751 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,904 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,059 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,214 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,369 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,524 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,678 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,833 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,986 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,143 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,297 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,451 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,603 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,765 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,919 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,072 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,243 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,397 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,559 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,722 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:23,883 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:24,037 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:24,188 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-24 17:58:24,530 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:24,878 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:25,221 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:25,565 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:25,908 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:26,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:26,222 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:26,376 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:26,530 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:26,699 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:26,874 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-09-24 17:58:27,027 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,331 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-24 17:58:27,535 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:27,761 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:28,030 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:28,266 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-24 17:58:28,496 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:28,765 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:28,988 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:29,255 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:29,420 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-24 17:58:29,592 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:29,791 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:30,009 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:30,220 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:30,450 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:30,642 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:30,863 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:31,061 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:31,297 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-24 17:58:31,519 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:31,741 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12