/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:04:44,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:04:44,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:04:44,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:04:44,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:04:44,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:04:44,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:04:44,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:04:44,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:04:44,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:04:44,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:04:44,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:04:44,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:04:44,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:04:44,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:04:44,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:04:44,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:04:44,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:04:44,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:04:44,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:04:44,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:04:44,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:04:44,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:04:44,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:04:44,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:04:44,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:04:44,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:04:44,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:04:44,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:04:44,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:04:44,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:04:44,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:04:44,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:04:44,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:04:44,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:04:44,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:04:44,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:04:44,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:04:44,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:04:44,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:04:44,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:04:44,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:04:44,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:04:44,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:04:44,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:04:44,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:04:44,468 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:04:44,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:04:44,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:04:44,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:04:44,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:04:44,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:04:44,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:04:44,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:04:44,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:04:44,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:04:44,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:04:44,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:04:44,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:04:44,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:04:44,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:04:44,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:04:44,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:04:44,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:44,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:04:44,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:04:44,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:04:44,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:04:44,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:04:44,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:04:44,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:04:44,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:04:44,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:04:44,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:04:44,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:04:44,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:04:44,936 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:04:44,937 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-25 03:04:45,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93bc1e7a/786fa884b6a04abea979614e483a014b/FLAGc8b220fbf [2020-09-25 03:04:45,598 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:04:45,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-25 03:04:45,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93bc1e7a/786fa884b6a04abea979614e483a014b/FLAGc8b220fbf [2020-09-25 03:04:45,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93bc1e7a/786fa884b6a04abea979614e483a014b [2020-09-25 03:04:45,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:04:45,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:04:45,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:45,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:04:45,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:04:45,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:45" (1/1) ... [2020-09-25 03:04:45,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:45, skipping insertion in model container [2020-09-25 03:04:45,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:45" (1/1) ... [2020-09-25 03:04:45,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:04:45,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:04:46,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:46,365 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:04:46,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:46,585 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:04:46,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46 WrapperNode [2020-09-25 03:04:46,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:46,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:04:46,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:04:46,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:04:46,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... [2020-09-25 03:04:46,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:04:46,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:04:46,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:04:46,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:04:46,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:04:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:04:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:04:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:04:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:04:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:04:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:04:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:04:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:04:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:04:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:04:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:04:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:04:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:04:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:04:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:04:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:04:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:04:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:04:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:04:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:04:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:04:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:04:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:04:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:04:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:04:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:04:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:04:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:04:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:04:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:04:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:04:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:04:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:04:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:04:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:04:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:04:47,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:04:47,938 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:04:47,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:47 BoogieIcfgContainer [2020-09-25 03:04:47,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:04:47,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:04:47,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:04:47,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:04:47,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:04:45" (1/3) ... [2020-09-25 03:04:47,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0184c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:47, skipping insertion in model container [2020-09-25 03:04:47,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:46" (2/3) ... [2020-09-25 03:04:47,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0184c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:47, skipping insertion in model container [2020-09-25 03:04:47,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:47" (3/3) ... [2020-09-25 03:04:47,955 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-09-25 03:04:47,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:04:47,978 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:04:48,001 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:04:48,031 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:04:48,032 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:04:48,032 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:04:48,032 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:04:48,032 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:04:48,032 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:04:48,032 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:04:48,032 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:04:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 03:04:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:04:48,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:04:48,083 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:04:48,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:04:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:04:48,092 INFO L82 PathProgramCache]: Analyzing trace with hash -956249494, now seen corresponding path program 1 times [2020-09-25 03:04:48,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:04:48,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726393996] [2020-09-25 03:04:48,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:04:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:48,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:48,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:50,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:53,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:53,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:53,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:04:53,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:04:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5112 [2020-09-25 03:04:53,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:04:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:04:53,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 03:04:53,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:04:54,066 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:04:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:04:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:04:54,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-09-25 03:04:54,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:04:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:04:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:04:54,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:04:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:04:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:04:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:04:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:04:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:04:54,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:04:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:54,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:04:54,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:04:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:04:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:04:54,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:04:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:04:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:04:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:04:54,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:04:54,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:04:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:04:54,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:04:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:04:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:04:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:04:54,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:04:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:54,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:04:54,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:54,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:04:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:04:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:54,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:54,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:54,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:04:54,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:04:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:04:54,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726393996] [2020-09-25 03:04:54,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:04:54,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:04:54,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519492803] [2020-09-25 03:04:54,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:04:54,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:04:54,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:04:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:04:54,878 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 9 states. [2020-09-25 03:04:55,586 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:04:56,416 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:04:56,704 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:04:58,153 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:04:58,462 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:04:58,860 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:04:59,506 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:04:59,837 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:00,161 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:00,526 INFO L93 Difference]: Finished difference Result 561 states and 684 transitions. [2020-09-25 03:05:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:00,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:00,564 INFO L225 Difference]: With dead ends: 561 [2020-09-25 03:05:00,564 INFO L226 Difference]: Without dead ends: 385 [2020-09-25 03:05:00,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-09-25 03:05:00,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 336. [2020-09-25 03:05:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-09-25 03:05:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 377 transitions. [2020-09-25 03:05:00,719 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 377 transitions. Word has length 160 [2020-09-25 03:05:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:00,720 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 377 transitions. [2020-09-25 03:05:00,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:00,720 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 377 transitions. [2020-09-25 03:05:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 03:05:00,726 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:00,727 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:00,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:00,728 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:00,728 INFO L82 PathProgramCache]: Analyzing trace with hash 640183005, now seen corresponding path program 1 times [2020-09-25 03:05:00,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:00,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583501308] [2020-09-25 03:05:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:05:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:03,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2273 [2020-09-25 03:05:03,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 03:05:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,348 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:03,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:03,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 03:05:03,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:03,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:03,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:03,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:03,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:03,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:03,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:03,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:03,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:03,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:03,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:05:03,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 03:05:03,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 03:05:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:03,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 03:05:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:03,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:03,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:03,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:03,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:05:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:05:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:03,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:03,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:03,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:05:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:03,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:03,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583501308] [2020-09-25 03:05:03,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:03,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:05:03,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804954647] [2020-09-25 03:05:04,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:05:04,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:04,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:05:04,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:05:04,002 INFO L87 Difference]: Start difference. First operand 336 states and 377 transitions. Second operand 10 states. [2020-09-25 03:05:05,696 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:06,054 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:06,407 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:06,746 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:07,089 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:07,383 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:07,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:07,964 INFO L93 Difference]: Finished difference Result 649 states and 782 transitions. [2020-09-25 03:05:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:05:07,966 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-09-25 03:05:07,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:07,972 INFO L225 Difference]: With dead ends: 649 [2020-09-25 03:05:07,973 INFO L226 Difference]: Without dead ends: 428 [2020-09-25 03:05:07,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:05:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-09-25 03:05:08,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 350. [2020-09-25 03:05:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-09-25 03:05:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2020-09-25 03:05:08,071 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 194 [2020-09-25 03:05:08,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:08,072 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2020-09-25 03:05:08,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:05:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2020-09-25 03:05:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:05:08,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:08,076 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:08,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:08,077 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:08,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:08,077 INFO L82 PathProgramCache]: Analyzing trace with hash 132380341, now seen corresponding path program 1 times [2020-09-25 03:05:08,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:08,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973812057] [2020-09-25 03:05:08,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:08,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,493 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:13,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:13,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-25 03:05:13,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:05:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:13,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:13,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:13,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:05:14,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 03:05:14,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:05:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:05:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:05:14,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:14,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:14,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:14,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:05:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:05:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:05:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:05:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:14,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:05:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:05:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:14,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:14,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:05:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:05:14,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 03:05:14,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:14,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:05:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:14,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:14,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:14,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:05:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 03:05:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:14,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 03:05:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:14,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:05:14,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973812057] [2020-09-25 03:05:14,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:05:14,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:05:14,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829027537] [2020-09-25 03:05:14,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:05:14,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:14,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:05:14,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:14,699 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 19 states. [2020-09-25 03:05:15,234 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:16,951 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:17,313 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:17,727 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:18,091 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:18,422 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:18,760 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:19,128 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:05:19,472 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:19,809 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:20,121 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:20,453 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:20,767 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:21,106 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:21,496 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:21,810 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:22,131 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:22,701 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:23,020 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:23,900 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 03:05:25,563 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:26,158 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:05:26,812 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:27,443 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:05:29,825 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:30,135 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:30,476 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:30,801 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:32,552 INFO L93 Difference]: Finished difference Result 1451 states and 2007 transitions. [2020-09-25 03:05:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-09-25 03:05:32,553 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 230 [2020-09-25 03:05:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:32,574 INFO L225 Difference]: With dead ends: 1451 [2020-09-25 03:05:32,574 INFO L226 Difference]: Without dead ends: 1176 [2020-09-25 03:05:32,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=864, Invalid=3966, Unknown=0, NotChecked=0, Total=4830 [2020-09-25 03:05:32,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-09-25 03:05:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 930. [2020-09-25 03:05:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2020-09-25 03:05:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1102 transitions. [2020-09-25 03:05:32,734 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1102 transitions. Word has length 230 [2020-09-25 03:05:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:32,735 INFO L479 AbstractCegarLoop]: Abstraction has 930 states and 1102 transitions. [2020-09-25 03:05:32,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 03:05:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1102 transitions. [2020-09-25 03:05:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 03:05:32,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:32,764 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:32,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:05:32,764 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:32,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:32,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1214904163, now seen corresponding path program 1 times [2020-09-25 03:05:32,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:32,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116363198] [2020-09-25 03:05:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:33,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 03:05:37,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:37,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 03:05:37,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:05:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:05:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-25 03:05:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1