/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:03:06,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:03:06,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:03:06,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:03:06,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:03:06,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:03:06,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:03:06,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:03:06,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:03:06,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:03:06,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:03:06,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:03:06,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:03:06,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:03:06,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:03:06,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:03:06,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:03:06,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:03:06,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:03:06,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:03:06,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:03:06,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:03:06,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:03:06,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:03:06,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:03:06,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:03:06,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:03:06,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:03:06,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:03:06,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:03:06,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:03:06,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:03:06,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:03:06,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:03:06,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:03:06,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:03:06,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:03:06,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:03:06,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:03:06,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:03:06,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:03:06,613 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 [2020-10-14 07:03:06,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:03:06,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:03:06,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:03:06,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:03:06,639 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:03:06,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:03:06,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:03:06,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:03:06,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:03:06,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:03:06,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:03:06,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:03:06,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:03:06,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:03:06,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:03:06,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:03:06,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:03:06,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:03:06,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:03:06,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:03:06,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:03:06,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:03:06,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:03:06,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:03:06,644 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:03:06,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:03:06,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:03:06,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:03:06,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:03:06,976 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:03:06,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-10-14 07:03:07,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34f8e6058/3914808042a34a1ea936a5d4f2b2919a/FLAGd11ee9ad9 [2020-10-14 07:03:07,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:03:07,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-10-14 07:03:07,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34f8e6058/3914808042a34a1ea936a5d4f2b2919a/FLAGd11ee9ad9 [2020-10-14 07:03:07,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34f8e6058/3914808042a34a1ea936a5d4f2b2919a [2020-10-14 07:03:07,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:03:07,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:03:07,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:03:07,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:03:07,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:03:07,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:07" (1/1) ... [2020-10-14 07:03:07,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:07, skipping insertion in model container [2020-10-14 07:03:07,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:07" (1/1) ... [2020-10-14 07:03:07,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:03:07,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:03:08,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:03:08,291 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:03:08,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:03:08,521 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:03:08,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08 WrapperNode [2020-10-14 07:03:08,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:03:08,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:03:08,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:03:08,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:03:08,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (1/1) ... [2020-10-14 07:03:08,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:03:08,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:03:08,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:03:08,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:03:08,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (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 [2020-10-14 07:03:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:03:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:03:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:03:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:03:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:03:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:03:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:03:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-14 07:03:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:03:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:03:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:03:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:03:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:03:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:03:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:03:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:03:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:03:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:03:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:03:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:03:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:03:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:03:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:03:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:03:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:03:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:03:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:03:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:03:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:03:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:03:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:03:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:03:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:03:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:03:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:03:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:03:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:03:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:03:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-14 07:03:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:03:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:03:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:03:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:03:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:03:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:03:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:03:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:03:09,802 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:03:09,802 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:03:09,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:09 BoogieIcfgContainer [2020-10-14 07:03:09,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:03:09,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:03:09,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:03:09,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:03:09,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:03:07" (1/3) ... [2020-10-14 07:03:09,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f9a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:09, skipping insertion in model container [2020-10-14 07:03:09,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:08" (2/3) ... [2020-10-14 07:03:09,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f9a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:09, skipping insertion in model container [2020-10-14 07:03:09,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:09" (3/3) ... [2020-10-14 07:03:09,823 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-10-14 07:03:09,834 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:03:09,842 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:03:09,852 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:03:09,875 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:03:09,875 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:03:09,875 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:03:09,875 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:03:09,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:03:09,876 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:03:09,876 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:03:09,876 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:03:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-10-14 07:03:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:03:09,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:03:09,909 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] [2020-10-14 07:03:09,909 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:03:09,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:03:09,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1369653698, now seen corresponding path program 1 times [2020-10-14 07:03:09,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:03:09,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112641678] [2020-10-14 07:03:09,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:03:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:10,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:10,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:11,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:11,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:11,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:03:15,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:03:15,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:03:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:03:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 07:03:15,843 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:03:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:15,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:03:15,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:03:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:15,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:03:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:15,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:03:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:15,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:15,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:03:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:15,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:03:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:15,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:15,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:03:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:15,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:15,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:15,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:03:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:15,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:15,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:15,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:15,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:15,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:15,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:03:16,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112641678] [2020-10-14 07:03:16,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:03:16,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:03:16,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839158300] [2020-10-14 07:03:16,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:03:16,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:03:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:03:16,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:03:16,056 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 4 states. [2020-10-14 07:03:16,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:03:16,957 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-10-14 07:03:16,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:03:16,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:03:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:03:16,974 INFO L225 Difference]: With dead ends: 198 [2020-10-14 07:03:16,974 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:03:16,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:03:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:03:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-10-14 07:03:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:03:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-10-14 07:03:17,058 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-10-14 07:03:17,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:03:17,059 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-10-14 07:03:17,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:03:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-10-14 07:03:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:03:17,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:03:17,062 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] [2020-10-14 07:03:17,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:03:17,063 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:03:17,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:03:17,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2015305249, now seen corresponding path program 1 times [2020-10-14 07:03:17,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:03:17,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844817369] [2020-10-14 07:03:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:03:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:17,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:17,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:17,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:18,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:18,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:03:22,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:03:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 07:03:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 07:03:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,470 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:22,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:03:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:22,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 07:03:22,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:03:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:03:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:03:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:22,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:22,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:22,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:03:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:22,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:03:22,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:03:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:22,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:03:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:22,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:03:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:22,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:22,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:03:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:22,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:22,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:22,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:22,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:22,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:03:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:03:22,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844817369] [2020-10-14 07:03:22,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:03:22,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:03:22,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914797309] [2020-10-14 07:03:22,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:03:22,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:03:22,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:03:22,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:03:22,690 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-10-14 07:03:23,073 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:03:23,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:03:23,801 INFO L93 Difference]: Finished difference Result 171 states and 221 transitions. [2020-10-14 07:03:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:03:23,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:03:23,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:03:23,805 INFO L225 Difference]: With dead ends: 171 [2020-10-14 07:03:23,805 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:03:23,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:03:23,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:03:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-10-14 07:03:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:03:23,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2020-10-14 07:03:23,869 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 52 [2020-10-14 07:03:23,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:03:23,870 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2020-10-14 07:03:23,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:03:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2020-10-14 07:03:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 07:03:23,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:03:23,882 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] [2020-10-14 07:03:23,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:03:23,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:03:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:03:23,883 INFO L82 PathProgramCache]: Analyzing trace with hash 666467354, now seen corresponding path program 1 times [2020-10-14 07:03:23,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:03:23,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135490800] [2020-10-14 07:03:23,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:03:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:23,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:24,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:24,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:28,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:03:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:03:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:03:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:28,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:03:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:03:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:03:29,223 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:03:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:29,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 07:03:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:03:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:03:29,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:03:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:03:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:03:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:03:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:03:29,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:03:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:29,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:29,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:03:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:29,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:29,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:03:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:03:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:29,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 07:03:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:29,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:03:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:03:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:03:29,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135490800] [2020-10-14 07:03:29,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:03:29,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:03:29,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236252635] [2020-10-14 07:03:29,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:03:29,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:03:29,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:03:29,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:03:29,356 INFO L87 Difference]: Start difference. First operand 86 states and 99 transitions. Second operand 5 states. [2020-10-14 07:03:29,792 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:03:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:03:30,310 INFO L93 Difference]: Finished difference Result 143 states and 175 transitions. [2020-10-14 07:03:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:03:30,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-14 07:03:30,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:03:30,313 INFO L225 Difference]: With dead ends: 143 [2020-10-14 07:03:30,313 INFO L226 Difference]: Without dead ends: 103 [2020-10-14 07:03:30,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:03:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-14 07:03:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-10-14 07:03:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 07:03:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-10-14 07:03:30,351 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 55 [2020-10-14 07:03:30,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:03:30,352 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-10-14 07:03:30,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:03:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-10-14 07:03:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 07:03:30,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:03:30,353 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] [2020-10-14 07:03:30,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:03:30,353 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:03:30,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:03:30,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1738741033, now seen corresponding path program 1 times [2020-10-14 07:03:30,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:03:30,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33745816] [2020-10-14 07:03:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:03:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:30,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:30,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:03:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:03:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:03:35,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:03:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:03:35,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 07:03:35,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,682 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:35,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:03:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:35,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 07:03:35,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:03:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:03:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:35,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:35,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:03:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:35,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:35,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:03:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:35,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:35,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:03:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:03:35,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:03:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:35,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:35,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:35,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:03:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:03:35,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:35,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:03:35,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:03:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:03:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:35,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:03:35,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:03:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:35,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:03:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:03:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:03:35,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:03:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:03:35,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:03:35,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:03:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:03:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:03:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:03:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:03:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:03:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:03:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:03:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:03:35,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33745816] [2020-10-14 07:03:35,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:03:35,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:03:35,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802482916] [2020-10-14 07:03:35,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:03:35,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:03:35,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:03:35,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:03:35,914 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-10-14 07:03:36,289 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:03:37,102 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:03:37,368 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:03:37,633 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-14 07:03:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:03:37,780 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2020-10-14 07:03:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:03:37,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 07:03:37,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:03:37,782 INFO L225 Difference]: With dead ends: 141 [2020-10-14 07:03:37,782 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:03:37,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:03:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:03:37,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:03:37,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:03:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:03:37,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-14 07:03:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:03:37,785 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:03:37,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:03:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:03:37,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:03:37,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:03:37,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:03:37,895 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 84 [2020-10-14 07:03:39,186 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:39,369 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:39,522 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:39,688 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:03:39,829 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:39,999 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:03:40,171 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:40,348 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:40,505 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:40,649 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:40,772 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:40,916 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:03:41,091 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:41,263 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:41,446 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:41,612 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:41,776 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:03:41,940 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:03:41,945 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 07:03:41,945 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-10-14 07:03:41,945 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-10-14 07:03:41,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 07:03:41,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:03:41,947 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-10-14 07:03:41,947 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-10-14 07:03:41,947 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:03:41,947 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 07:03:41,947 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:03:41,948 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-14 07:03:41,948 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-10-14 07:03:41,948 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-10-14 07:03:41,948 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-10-14 07:03:41,948 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-10-14 07:03:41,948 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-10-14 07:03:41,948 INFO L264 CegarLoopResult]: At program point L738-1(line 738) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,949 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 732 754) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,949 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2020-10-14 07:03:41,949 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2020-10-14 07:03:41,949 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,949 INFO L264 CegarLoopResult]: At program point L744-1(line 744) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,950 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-10-14 07:03:41,950 INFO L268 CegarLoopResult]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2020-10-14 07:03:41,950 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-10-14 07:03:41,950 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,950 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,950 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-10-14 07:03:41,950 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 687 710) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 687 710) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 687 710) no Hoare annotation was computed. [2020-10-14 07:03:41,951 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 526 533) no Hoare annotation was computed. [2020-10-14 07:03:41,952 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 526 533) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 526 533) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point L599(lines 599 607) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 607) no Hoare annotation was computed. [2020-10-14 07:03:41,953 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 580 615) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point L587(lines 587 595) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 580 615) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 580 615) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-10-14 07:03:41,954 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-10-14 07:03:41,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:03:41,955 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-14 07:03:41,956 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,956 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2020-10-14 07:03:41,956 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2020-10-14 07:03:41,956 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-10-14 07:03:41,956 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 560 570) no Hoare annotation was computed. [2020-10-14 07:03:41,956 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 560 570) no Hoare annotation was computed. [2020-10-14 07:03:41,956 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 560 570) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 552 559) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 552 559) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 552 559) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2020-10-14 07:03:41,957 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2020-10-14 07:03:41,957 INFO L264 CegarLoopResult]: At program point testENTRY(lines 419 482) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,958 INFO L264 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,958 INFO L268 CegarLoopResult]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2020-10-14 07:03:41,958 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-10-14 07:03:41,958 INFO L264 CegarLoopResult]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,958 INFO L268 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2020-10-14 07:03:41,958 INFO L268 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2020-10-14 07:03:41,958 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2020-10-14 07:03:41,959 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,959 INFO L264 CegarLoopResult]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-14 07:03:41,959 INFO L268 CegarLoopResult]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-10-14 07:03:41,960 INFO L268 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2020-10-14 07:03:41,961 INFO L264 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:41,961 INFO L268 CegarLoopResult]: For program point L636-1(line 636) no Hoare annotation was computed. [2020-10-14 07:03:41,961 INFO L268 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2020-10-14 07:03:41,961 INFO L268 CegarLoopResult]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2020-10-14 07:03:41,961 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:41,961 INFO L268 CegarLoopResult]: For program point L632-1(line 632) no Hoare annotation was computed. [2020-10-14 07:03:41,961 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:41,961 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L268 CegarLoopResult]: For program point L812(lines 812 820) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 820) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 804 826) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 804 826) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 804 826) no Hoare annotation was computed. [2020-10-14 07:03:41,962 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-10-14 07:03:41,963 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-14 07:03:41,964 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-10-14 07:03:41,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,973 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:03:41,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point L546-1(lines 535 551) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 535 551) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 535 551) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 827 835) no Hoare annotation was computed. [2020-10-14 07:03:41,974 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 827 835) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 827 835) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2020-10-14 07:03:41,975 INFO L268 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-10-14 07:03:41,976 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,976 INFO L264 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,976 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,976 INFO L268 CegarLoopResult]: For program point L499(lines 498 517) no Hoare annotation was computed. [2020-10-14 07:03:41,976 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,976 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2020-10-14 07:03:41,976 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2020-10-14 07:03:41,976 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2020-10-14 07:03:41,976 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-10-14 07:03:41,977 INFO L271 CegarLoopResult]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2020-10-14 07:03:41,977 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2020-10-14 07:03:41,977 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-14 07:03:41,977 INFO L271 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: true [2020-10-14 07:03:41,977 INFO L271 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: true [2020-10-14 07:03:41,977 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-10-14 07:03:41,977 INFO L271 CegarLoopResult]: At program point L682(lines 657 686) the Hoare annotation is: true [2020-10-14 07:03:41,977 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2020-10-14 07:03:41,978 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2020-10-14 07:03:41,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,979 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-14 07:03:41,979 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:03:41,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:41,979 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2020-10-14 07:03:41,979 INFO L268 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-10-14 07:03:41,979 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:41,979 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:03:41,980 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-14 07:03:41,980 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-14 07:03:41,980 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:03:41,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:03:41 BoogieIcfgContainer [2020-10-14 07:03:41,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:03:41,998 INFO L168 Benchmark]: Toolchain (without parser) took 34124.05 ms. Allocated memory was 146.3 MB in the beginning and 764.9 MB in the end (delta: 618.7 MB). Free memory was 102.2 MB in the beginning and 722.0 MB in the end (delta: -619.8 MB). Peak memory consumption was 603.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:41,999 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:03:42,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.72 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:42,000 INFO L168 Benchmark]: Boogie Preprocessor took 106.88 ms. Allocated memory is still 202.9 MB. Free memory was 173.8 MB in the beginning and 168.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:42,001 INFO L168 Benchmark]: RCFGBuilder took 1181.53 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.8 MB in the beginning and 202.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:42,002 INFO L168 Benchmark]: TraceAbstraction took 32181.42 ms. Allocated memory was 237.0 MB in the beginning and 764.9 MB in the end (delta: 528.0 MB). Free memory was 202.3 MB in the beginning and 722.0 MB in the end (delta: -519.7 MB). Peak memory consumption was 613.2 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:42,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.72 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.88 ms. Allocated memory is still 202.9 MB. Free memory was 173.8 MB in the beginning and 168.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.53 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.8 MB in the beginning and 202.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32181.42 ms. Allocated memory was 237.0 MB in the beginning and 764.9 MB in the end (delta: 528.0 MB). Free memory was 202.3 MB in the beginning and 722.0 MB in the end (delta: -519.7 MB). Peak memory consumption was 613.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 429]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || splverifierCounter <= 0) || !(pumpRunning == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 362 SDslu, 194 SDs, 0 SdLazy, 616 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 80 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 139 PreInvPairs, 157 NumberOfFragments, 557 HoareAnnotationTreeSize, 139 FomulaSimplifications, 15844 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 4776 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 58307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...