/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:42:39,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:42:39,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:42:39,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:42:39,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:42:39,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:42:39,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:42:39,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:42:39,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:42:39,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:42:39,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:42:39,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:42:39,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:42:39,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:42:39,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:42:39,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:42:39,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:42:39,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:42:39,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:42:39,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:42:39,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:42:39,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:42:39,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:42:39,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:42:39,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:42:39,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:42:39,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:42:39,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:42:39,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:42:39,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:42:39,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:42:39,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:42:39,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:42:39,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:42:39,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:42:39,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:42:39,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:42:39,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:42:39,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:42:39,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:42:39,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:42:39,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:42:39,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:42:39,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:42:39,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:42:39,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:42:39,613 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:42:39,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:42:39,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:42:39,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:42:39,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:42:39,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:42:39,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:42:39,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:42:39,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:42:39,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:42:39,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:42:39,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:42:39,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:42:39,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:42:39,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:42:39,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:42:39,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:42:39,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:42:39,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:42:39,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:42:39,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:42:39,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:42:39,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:42:39,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:42:39,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:42:39,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:42:39,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:42:39,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:42:39,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:42:39,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:42:39,944 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:42:39,944 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-13 12:42:40,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40562b54d/9da3d1340f72429daf2e99b96aac2aa5/FLAG925b6055c [2020-10-13 12:42:40,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:42:40,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-13 12:42:40,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40562b54d/9da3d1340f72429daf2e99b96aac2aa5/FLAG925b6055c [2020-10-13 12:42:40,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40562b54d/9da3d1340f72429daf2e99b96aac2aa5 [2020-10-13 12:42:40,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:42:40,794 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:42:40,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:42:40,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:42:40,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:42:40,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:42:40" (1/1) ... [2020-10-13 12:42:40,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d07232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:40, skipping insertion in model container [2020-10-13 12:42:40,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:42:40" (1/1) ... [2020-10-13 12:42:40,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:42:40,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:42:41,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:42:41,195 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:42:41,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:42:41,470 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:42:41,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41 WrapperNode [2020-10-13 12:42:41,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:42:41,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:42:41,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:42:41,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:42:41,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... [2020-10-13 12:42:41,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:42:41,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:42:41,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:42:41,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:42:41,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:42:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:42:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:42:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:42:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:42:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:42:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:42:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:42:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:42:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:42:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:42:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:42:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:42:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:42:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:42:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:42:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:42:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:42:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:42:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:42:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:42:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:42:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:42:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:42:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:42:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:42:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:42:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:42:42,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:42:42,737 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:42:42,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:42:42 BoogieIcfgContainer [2020-10-13 12:42:42,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:42:42,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:42:42,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:42:42,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:42:42,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:42:40" (1/3) ... [2020-10-13 12:42:42,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54015e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:42:42, skipping insertion in model container [2020-10-13 12:42:42,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:42:41" (2/3) ... [2020-10-13 12:42:42,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54015e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:42:42, skipping insertion in model container [2020-10-13 12:42:42,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:42:42" (3/3) ... [2020-10-13 12:42:42,757 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-10-13 12:42:42,767 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:42:42,775 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:42:42,786 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:42:42,811 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:42:42,812 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:42:42,812 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:42:42,812 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:42:42,812 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:42:42,813 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:42:42,813 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:42:42,813 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:42:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-13 12:42:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:42:42,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:42,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:42:42,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:42,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-10-13 12:42:42,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:42,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757087729] [2020-10-13 12:42:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:43,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:44,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:42:45,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:42:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2136 [2020-10-13 12:42:45,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:42:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:42:45,774 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:45,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 12:42:45,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:45,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:45,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:42:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:45,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:45,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:42:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:42:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:45,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:45,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:45,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:45,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:42:45,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757087729] [2020-10-13 12:42:45,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:42:45,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:42:45,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600877365] [2020-10-13 12:42:45,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:42:45,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:42:45,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:42:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:42:45,953 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-10-13 12:42:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:42:47,093 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-10-13 12:42:47,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:42:47,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-10-13 12:42:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:42:47,110 INFO L225 Difference]: With dead ends: 270 [2020-10-13 12:42:47,110 INFO L226 Difference]: Without dead ends: 146 [2020-10-13 12:42:47,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:42:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-13 12:42:47,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-10-13 12:42:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-13 12:42:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-10-13 12:42:47,204 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-10-13 12:42:47,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:42:47,205 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-10-13 12:42:47,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:42:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-10-13 12:42:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 12:42:47,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:47,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:42:47,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:42:47,209 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:47,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:47,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-10-13 12:42:47,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:47,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331255311] [2020-10-13 12:42:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:47,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:47,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:49,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:49,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 12:42:49,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:42:49,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2404 [2020-10-13 12:42:49,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:42:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:42:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:49,951 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:49,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:49,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:49,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:42:49,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:50,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:50,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:50,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:42:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:50,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:42:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:42:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:50,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:50,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:50,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:42:50,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331255311] [2020-10-13 12:42:50,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:42:50,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:42:50,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032673217] [2020-10-13 12:42:50,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:42:50,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:42:50,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:42:50,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:42:50,050 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-10-13 12:42:50,562 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:42:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:42:51,301 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-10-13 12:42:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:42:51,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-13 12:42:51,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:42:51,305 INFO L225 Difference]: With dead ends: 199 [2020-10-13 12:42:51,305 INFO L226 Difference]: Without dead ends: 130 [2020-10-13 12:42:51,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:42:51,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-13 12:42:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-13 12:42:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-13 12:42:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-10-13 12:42:51,346 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-10-13 12:42:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:42:51,346 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-10-13 12:42:51,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:42:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-10-13 12:42:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 12:42:51,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:51,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:42:51,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:42:51,349 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:51,350 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-10-13 12:42:51,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:51,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739238216] [2020-10-13 12:42:51,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:51,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:52,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:52,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 12:42:52,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:42:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1313 [2020-10-13 12:42:52,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:42:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:52,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:42:52,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,074 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:53,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 12:42:53,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:42:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:42:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:42:53,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:42:53,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:42:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:53,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:42:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:42:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:42:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:42:53,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:42:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:53,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:53,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:53,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:53,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:42:53,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:42:53,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739238216] [2020-10-13 12:42:53,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:42:53,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:42:53,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853429443] [2020-10-13 12:42:53,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:42:53,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:42:53,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:42:53,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:42:53,343 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-10-13 12:42:53,735 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:42:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:42:54,473 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-10-13 12:42:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:42:54,473 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-10-13 12:42:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:42:54,476 INFO L225 Difference]: With dead ends: 212 [2020-10-13 12:42:54,476 INFO L226 Difference]: Without dead ends: 130 [2020-10-13 12:42:54,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:42:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-13 12:42:54,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-13 12:42:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-13 12:42:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-10-13 12:42:54,532 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-10-13 12:42:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:42:54,532 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-10-13 12:42:54,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:42:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-10-13 12:42:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 12:42:54,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:42:54,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:42:54,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:42:54,540 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:42:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:42:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-10-13 12:42:54,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:42:54,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615215099] [2020-10-13 12:42:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:42:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:55,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:57,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 12:42:59,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:42:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 12:42:59,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:42:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,851 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:42:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:42:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:42:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:42:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:59,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:59,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:42:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:59,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:42:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:59,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:59,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:42:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:59,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:42:59,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:42:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:42:59,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:42:59,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:42:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:42:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:42:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:42:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:42:59,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:59,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:42:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:42:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:42:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:42:59,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 12:42:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:42:59,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:42:59,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:42:59,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:42:59,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:42:59,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:42:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:42:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:42:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:42:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:42:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 12:42:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:42:59,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:43:00,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 12:43:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:00,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:00,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:00,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:00,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:00,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:00,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615215099] [2020-10-13 12:43:00,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:00,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 12:43:00,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438282053] [2020-10-13 12:43:00,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 12:43:00,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:00,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 12:43:00,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 12:43:00,054 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-10-13 12:43:00,404 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:01,624 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:02,139 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-10-13 12:43:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:43:02,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-10-13 12:43:02,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:02,144 INFO L225 Difference]: With dead ends: 312 [2020-10-13 12:43:02,144 INFO L226 Difference]: Without dead ends: 230 [2020-10-13 12:43:02,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:43:02,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-13 12:43:02,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-10-13 12:43:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-13 12:43:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-10-13 12:43:02,199 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-10-13 12:43:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:02,199 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-10-13 12:43:02,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 12:43:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-10-13 12:43:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-13 12:43:02,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:02,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:02,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:43:02,201 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:02,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:02,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-10-13 12:43:02,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:02,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390666391] [2020-10-13 12:43:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:02,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:02,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 12:43:03,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:43:03,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-13 12:43:03,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 12:43:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:43:03,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,557 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:03,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:03,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:43:03,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:03,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:03,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:03,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:03,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:03,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:03,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:03,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:03,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:43:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:03,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:43:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:43:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:03,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:43:03,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:43:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:03,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:03,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:43:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:03,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:03,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:43:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 12:43:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:03,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:03,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 12:43:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:03,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:03,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 12:43:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:03,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:03,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:03,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:03,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:03,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390666391] [2020-10-13 12:43:03,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:03,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:43:03,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638003644] [2020-10-13 12:43:03,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:43:03,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:03,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:43:03,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:43:03,738 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-10-13 12:43:04,220 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:05,453 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:05,750 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:06,009 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:06,253 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:07,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:07,091 INFO L93 Difference]: Finished difference Result 544 states and 696 transitions. [2020-10-13 12:43:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:43:07,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-13 12:43:07,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:07,098 INFO L225 Difference]: With dead ends: 544 [2020-10-13 12:43:07,098 INFO L226 Difference]: Without dead ends: 381 [2020-10-13 12:43:07,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:43:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-13 12:43:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 336. [2020-10-13 12:43:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-13 12:43:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 396 transitions. [2020-10-13 12:43:07,181 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 396 transitions. Word has length 80 [2020-10-13 12:43:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:07,181 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 396 transitions. [2020-10-13 12:43:07,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:43:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 396 transitions. [2020-10-13 12:43:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:43:07,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:07,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:07,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:43:07,184 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:07,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:07,185 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-10-13 12:43:07,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:07,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485427775] [2020-10-13 12:43:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:43:07,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 12:43:07,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 12:43:07,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:07,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,659 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:43:07,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:07,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:07,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:07,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:07,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:07,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:43:07,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:43:07,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:07,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:43:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:43:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:07,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:43:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 12:43:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 12:43:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:07,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:43:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:07,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:07,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:07,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:07,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:07,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:07,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:07,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485427775] [2020-10-13 12:43:07,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:07,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:43:07,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927675092] [2020-10-13 12:43:07,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:43:07,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:43:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:43:07,868 INFO L87 Difference]: Start difference. First operand 336 states and 396 transitions. Second operand 8 states. [2020-10-13 12:43:08,791 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:09,020 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:09,276 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:10,070 INFO L93 Difference]: Finished difference Result 729 states and 918 transitions. [2020-10-13 12:43:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:43:10,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:43:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:10,074 INFO L225 Difference]: With dead ends: 729 [2020-10-13 12:43:10,074 INFO L226 Difference]: Without dead ends: 417 [2020-10-13 12:43:10,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:43:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-10-13 12:43:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 336. [2020-10-13 12:43:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-13 12:43:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 395 transitions. [2020-10-13 12:43:10,141 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 395 transitions. Word has length 84 [2020-10-13 12:43:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:10,141 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 395 transitions. [2020-10-13 12:43:10,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:43:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 395 transitions. [2020-10-13 12:43:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:43:10,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:10,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:10,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:43:10,144 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:10,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:10,144 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-10-13 12:43:10,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:10,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453128022] [2020-10-13 12:43:10,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:43:10,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-13 12:43:10,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:43:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,688 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:10,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:43:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:10,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:10,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:10,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:10,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:10,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:43:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:43:10,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:43:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:43:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:10,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:43:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:43:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:10,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:10,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:43:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 12:43:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 12:43:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:43:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:10,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:10,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:10,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453128022] [2020-10-13 12:43:10,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:10,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:43:10,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901670767] [2020-10-13 12:43:10,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:43:10,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:10,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:43:10,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:43:10,895 INFO L87 Difference]: Start difference. First operand 336 states and 395 transitions. Second operand 9 states. [2020-10-13 12:43:11,910 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:12,147 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:43:12,410 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:12,658 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:43:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:13,508 INFO L93 Difference]: Finished difference Result 692 states and 878 transitions. [2020-10-13 12:43:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:43:13,509 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-13 12:43:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:13,512 INFO L225 Difference]: With dead ends: 692 [2020-10-13 12:43:13,512 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 12:43:13,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:43:13,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 12:43:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 304. [2020-10-13 12:43:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-13 12:43:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 356 transitions. [2020-10-13 12:43:13,574 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 356 transitions. Word has length 84 [2020-10-13 12:43:13,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:13,574 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 356 transitions. [2020-10-13 12:43:13,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:43:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 356 transitions. [2020-10-13 12:43:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-13 12:43:13,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:13,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:43:13,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:43:13,576 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:13,577 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-10-13 12:43:13,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:13,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472199543] [2020-10-13 12:43:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:43:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 12:43:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 12:43:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,230 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:14,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:43:14,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:14,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:14,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:14,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:43:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:43:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:43:14,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:43:14,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:43:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:43:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:43:14,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:14,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:43:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:43:14,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:14,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:43:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:43:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 12:43:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:14,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 12:43:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:43:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:43:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:14,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:14,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:14,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:14,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:14,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:43:14,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:43:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:43:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:43:14,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472199543] [2020-10-13 12:43:14,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:14,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:43:14,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497158313] [2020-10-13 12:43:14,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:43:14,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:14,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:43:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:43:14,432 INFO L87 Difference]: Start difference. First operand 304 states and 356 transitions. Second operand 9 states. [2020-10-13 12:43:15,434 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:43:15,975 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:16,282 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:43:16,535 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:43:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:17,016 INFO L93 Difference]: Finished difference Result 624 states and 758 transitions. [2020-10-13 12:43:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 12:43:17,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-13 12:43:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:17,018 INFO L225 Difference]: With dead ends: 624 [2020-10-13 12:43:17,018 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:43:17,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-13 12:43:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:43:17,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:43:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:43:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:43:17,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-10-13 12:43:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:17,022 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:43:17,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:43:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:43:17,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:43:17,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:43:17,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:43:18,230 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 220 [2020-10-13 12:43:19,256 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 220 [2020-10-13 12:43:19,840 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 220 [2020-10-13 12:43:20,090 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-10-13 12:43:20,226 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-10-13 12:43:20,711 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-10-13 12:43:20,875 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-13 12:43:21,035 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-13 12:43:21,196 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:21,356 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-13 12:43:21,739 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-10-13 12:43:21,901 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-13 12:43:22,353 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-13 12:43:22,668 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-10-13 12:43:22,853 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 16 [2020-10-13 12:43:23,319 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-10-13 12:43:23,744 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-10-13 12:43:23,904 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:24,096 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:24,260 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:24,418 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-13 12:43:24,890 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-13 12:43:25,102 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 18 [2020-10-13 12:43:25,264 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-13 12:43:25,726 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-10-13 12:43:25,873 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-13 12:43:26,175 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-10-13 12:43:26,593 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-13 12:43:27,033 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-10-13 12:43:27,331 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-10-13 12:43:27,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:27,703 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:43:27,866 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:28,015 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-13 12:43:28,336 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-10-13 12:43:28,491 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-13 12:43:28,644 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:29,076 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-13 12:43:29,233 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-13 12:43:29,437 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:29,603 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-10-13 12:43:29,945 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-10-13 12:43:30,315 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 23 [2020-10-13 12:43:30,670 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 23 [2020-10-13 12:43:30,674 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-10-13 12:43:30,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-10-13 12:43:30,675 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-13 12:43:30,676 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-10-13 12:43:30,676 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-10-13 12:43:30,676 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-10-13 12:43:30,676 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-13 12:43:30,677 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-10-13 12:43:30,677 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-13 12:43:30,677 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-10-13 12:43:30,677 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-10-13 12:43:30,677 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-10-13 12:43:30,677 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-10-13 12:43:30,678 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-10-13 12:43:30,678 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,678 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,678 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-10-13 12:43:30,678 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-10-13 12:43:30,679 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,679 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,679 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-10-13 12:43:30,679 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-10-13 12:43:30,679 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 12:43:30,679 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,680 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 12:43:30,680 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 12:43:30,681 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-13 12:43:30,682 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-10-13 12:43:30,683 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-10-13 12:43:30,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2020-10-13 12:43:30,685 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:43:30,685 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-10-13 12:43:30,685 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-10-13 12:43:30,686 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse1 (<= 1 processEnvironment_~tmp~2)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse1))))) [2020-10-13 12:43:30,686 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-10-13 12:43:30,687 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2020-10-13 12:43:30,687 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-10-13 12:43:30,687 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-10-13 12:43:30,687 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-10-13 12:43:30,688 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-10-13 12:43:30,688 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:43:30,688 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-10-13 12:43:30,688 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:43:30,688 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-10-13 12:43:30,688 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:43:30,688 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:43:30,689 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-13 12:43:30,689 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:43:30,689 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-10-13 12:43:30,690 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-10-13 12:43:30,691 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-10-13 12:43:30,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,693 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:43:30,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,695 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-10-13 12:43:30,695 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-10-13 12:43:30,695 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:43:30,696 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-10-13 12:43:30,696 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-10-13 12:43:30,696 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-10-13 12:43:30,696 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-10-13 12:43:30,696 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-10-13 12:43:30,696 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-10-13 12:43:30,696 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-10-13 12:43:30,697 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-10-13 12:43:30,697 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-10-13 12:43:30,697 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-10-13 12:43:30,697 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1))) [2020-10-13 12:43:30,697 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-10-13 12:43:30,698 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-10-13 12:43:30,698 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,698 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,698 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,698 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:43:30,699 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse2 .cse1))) [2020-10-13 12:43:30,699 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-10-13 12:43:30,699 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2) (or .cse3 .cse1 .cse2) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse4 .cse3) .cse2 (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (= ~pumpRunning~0 1)))))) [2020-10-13 12:43:30,699 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-10-13 12:43:30,700 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:43:30,700 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-10-13 12:43:30,700 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-10-13 12:43:30,700 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-10-13 12:43:30,700 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-10-13 12:43:30,701 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-10-13 12:43:30,701 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 12:43:30,701 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-10-13 12:43:30,701 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-10-13 12:43:30,701 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-10-13 12:43:30,701 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-10-13 12:43:30,701 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-10-13 12:43:30,702 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-10-13 12:43:30,703 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-10-13 12:43:30,703 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-10-13 12:43:30,703 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-10-13 12:43:30,703 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-10-13 12:43:30,703 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-10-13 12:43:30,703 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (= ~pumpRunning~0 1)) .cse0))) [2020-10-13 12:43:30,703 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-13 12:43:30,703 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-10-13 12:43:30,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-13 12:43:30,704 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:43:30,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-10-13 12:43:30,704 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) .cse1))) [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-10-13 12:43:30,705 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1))) [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-10-13 12:43:30,705 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-10-13 12:43:30,705 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-10-13 12:43:30,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:43:30 BoogieIcfgContainer [2020-10-13 12:43:30,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:43:30,736 INFO L168 Benchmark]: Toolchain (without parser) took 49942.59 ms. Allocated memory was 141.6 MB in the beginning and 823.7 MB in the end (delta: 682.1 MB). Free memory was 101.7 MB in the beginning and 608.1 MB in the end (delta: -506.4 MB). Peak memory consumption was 698.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,737 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.26 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 174.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,738 INFO L168 Benchmark]: Boogie Preprocessor took 92.88 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,739 INFO L168 Benchmark]: RCFGBuilder took 1181.67 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.9 MB in the beginning and 202.7 MB in the end (delta: -32.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,739 INFO L168 Benchmark]: TraceAbstraction took 47984.65 ms. Allocated memory was 236.5 MB in the beginning and 823.7 MB in the end (delta: 587.2 MB). Free memory was 201.2 MB in the beginning and 608.1 MB in the end (delta: -406.9 MB). Peak memory consumption was 702.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:43:30,742 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.26 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 174.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.88 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.67 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.9 MB in the beginning and 202.7 MB in the end (delta: -32.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47984.65 ms. Allocated memory was 236.5 MB in the beginning and 823.7 MB in the end (delta: 587.2 MB). Free memory was 201.2 MB in the beginning and 608.1 MB in the end (delta: -406.9 MB). Peak memory consumption was 702.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 1)) || !(\old(waterLevel) <= 1)) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 853 SDtfs, 1172 SDslu, 746 SDs, 0 SdLazy, 3336 SolverSat, 704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 324 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 680 PreInvPairs, 745 NumberOfFragments, 1047 HoareAnnotationTreeSize, 680 FomulaSimplifications, 2299725 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 56206 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 154635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...