/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:50:42,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:50:42,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:50:42,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:50:42,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:50:42,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:50:42,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:50:42,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:50:42,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:50:42,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:50:42,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:50:42,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:50:42,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:50:42,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:50:42,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:50:42,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:50:42,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:50:42,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:50:42,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:50:42,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:50:42,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:50:42,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:50:42,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:50:42,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:50:42,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:50:42,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:50:42,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:50:42,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:50:42,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:50:42,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:50:42,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:50:42,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:50:42,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:50:42,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:50:42,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:50:42,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:50:42,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:50:42,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:50:42,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:50:42,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:50:42,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:50:42,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:50:42,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:50:42,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:50:42,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:50:42,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:50:42,426 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:50:42,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:50:42,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:50:42,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:50:42,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:50:42,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:50:42,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:50:42,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:50:42,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:50:42,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:50:42,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:50:42,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:50:42,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:50:42,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:50:42,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:50:42,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:50:42,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:50:42,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:50:42,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:50:42,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:50:42,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:50:42,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:50:42,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:50:42,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:50:42,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:50:42,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:50:42,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:50:42,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:50:42,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:50:42,761 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:50:42,762 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:50:42,764 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-10-13 12:50:42,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35332e78e/1522b86e130f45cb984f7f144c49ad0d/FLAGd68785008 [2020-10-13 12:50:43,425 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:50:43,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-10-13 12:50:43,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35332e78e/1522b86e130f45cb984f7f144c49ad0d/FLAGd68785008 [2020-10-13 12:50:43,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35332e78e/1522b86e130f45cb984f7f144c49ad0d [2020-10-13 12:50:43,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:50:43,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:50:43,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:43,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:50:43,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:50:43,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:43" (1/1) ... [2020-10-13 12:50:43,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e9cd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43, skipping insertion in model container [2020-10-13 12:50:43,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:43" (1/1) ... [2020-10-13 12:50:43,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:50:43,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:50:44,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:44,343 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:50:44,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:44,469 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:50:44,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44 WrapperNode [2020-10-13 12:50:44,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:44,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:50:44,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:50:44,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:50:44,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... [2020-10-13 12:50:44,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:50:44,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:50:44,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:50:44,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:50:44,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:50:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:50:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:50:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:50:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:50:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:50:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:50:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:50:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:50:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:50:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:50:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:50:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:50:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:50:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:50:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:50:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:50:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:50:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:50:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:50:45,713 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:50:45,713 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:50:45,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:45 BoogieIcfgContainer [2020-10-13 12:50:45,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:50:45,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:50:45,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:50:45,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:50:45,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:43" (1/3) ... [2020-10-13 12:50:45,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503248b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:45, skipping insertion in model container [2020-10-13 12:50:45,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44" (2/3) ... [2020-10-13 12:50:45,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503248b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:45, skipping insertion in model container [2020-10-13 12:50:45,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:45" (3/3) ... [2020-10-13 12:50:45,735 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2020-10-13 12:50:45,746 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:50:45,755 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:50:45,770 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:50:45,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:50:45,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:50:45,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:50:45,801 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:50:45,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:50:45,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:50:45,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:50:45,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:50:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-13 12:50:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:50:45,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:45,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:45,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:45,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:45,851 INFO L82 PathProgramCache]: Analyzing trace with hash -926205877, now seen corresponding path program 1 times [2020-10-13 12:50:45,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:45,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980990889] [2020-10-13 12:50:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:50:51,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:51,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 12:50:51,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:50:51,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-13 12:50:51,638 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:50:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:50:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:51,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:50:51,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:50:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:50:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:51,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980990889] [2020-10-13 12:50:51,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:51,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:50:51,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398316087] [2020-10-13 12:50:51,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:50:51,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:51,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:50:51,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:51,854 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-10-13 12:50:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:52,789 INFO L93 Difference]: Finished difference Result 263 states and 340 transitions. [2020-10-13 12:50:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:50:52,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:50:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:52,807 INFO L225 Difference]: With dead ends: 263 [2020-10-13 12:50:52,807 INFO L226 Difference]: Without dead ends: 146 [2020-10-13 12:50:52,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:52,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-13 12:50:52,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2020-10-13 12:50:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-13 12:50:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2020-10-13 12:50:52,907 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 59 [2020-10-13 12:50:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:52,908 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2020-10-13 12:50:52,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:50:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2020-10-13 12:50:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:50:52,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:52,912 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:52,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:50:52,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:52,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:52,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1413138413, now seen corresponding path program 1 times [2020-10-13 12:50:52,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:52,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7881256] [2020-10-13 12:50:52,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:53,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:54,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:50:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 12:50:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:50:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:50:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:50:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:58,261 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:58,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:50:58,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:58,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:58,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:58,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:58,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:58,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:50:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:58,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:58,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:50:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:50:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:58,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:58,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:58,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:58,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:58,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7881256] [2020-10-13 12:50:58,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:58,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:50:58,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328775278] [2020-10-13 12:50:58,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:50:58,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:58,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:50:58,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:50:58,378 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 5 states. [2020-10-13 12:50:58,844 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:50:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:59,494 INFO L93 Difference]: Finished difference Result 204 states and 248 transitions. [2020-10-13 12:50:59,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:50:59,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:50:59,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:59,498 INFO L225 Difference]: With dead ends: 204 [2020-10-13 12:50:59,498 INFO L226 Difference]: Without dead ends: 136 [2020-10-13 12:50:59,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:50:59,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-13 12:50:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2020-10-13 12:50:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-13 12:50:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2020-10-13 12:50:59,543 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 60 [2020-10-13 12:50:59,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:59,543 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2020-10-13 12:50:59,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:50:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2020-10-13 12:50:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 12:50:59,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:59,546 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:59,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:50:59,546 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:59,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash 58120791, now seen corresponding path program 1 times [2020-10-13 12:50:59,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:59,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626002625] [2020-10-13 12:50:59,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:59,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:59,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:00,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:00,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 12:51:02,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3010 [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:51:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,004 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:03,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:51:03,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:03,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:03,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:03,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:03,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:03,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:03,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:03,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:51:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:03,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:03,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:03,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:03,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:51:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:03,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:51:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:03,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:03,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:03,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:03,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:03,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:51:03,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626002625] [2020-10-13 12:51:03,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:03,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:03,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560155769] [2020-10-13 12:51:03,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:03,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:03,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:03,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:03,156 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 8 states. [2020-10-13 12:51:03,603 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:04,292 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:51:04,869 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:51:05,196 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:51:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:05,260 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2020-10-13 12:51:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:51:05,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-13 12:51:05,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:05,262 INFO L225 Difference]: With dead ends: 189 [2020-10-13 12:51:05,262 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:51:05,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:51:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:51:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:51:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:51:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:51:05,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-13 12:51:05,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:05,269 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:51:05,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:51:05,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:51:05,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:51:05,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:51:06,560 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:51:06,717 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:06,913 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:07,103 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:51:07,307 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:07,485 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2020-10-13 12:51:07,662 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:51:07,826 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:51:07,981 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:51:08,114 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:51:08,254 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:08,399 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:08,577 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:08,759 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:51:08,925 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:09,099 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:09,268 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:51:09,298 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-13 12:51:09,299 INFO L268 CegarLoopResult]: For program point L219-1(lines 219 223) no Hoare annotation was computed. [2020-10-13 12:51:09,299 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-10-13 12:51:09,299 INFO L268 CegarLoopResult]: For program point L213-2(lines 213 234) no Hoare annotation was computed. [2020-10-13 12:51:09,299 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 188 243) no Hoare annotation was computed. [2020-10-13 12:51:09,299 INFO L268 CegarLoopResult]: For program point L235(lines 212 236) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 188 243) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 188 243) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 244 303) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point L276(lines 276 280) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 280) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-10-13 12:51:09,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 244 303) no Hoare annotation was computed. [2020-10-13 12:51:09,301 INFO L268 CegarLoopResult]: For program point L270-2(lines 270 295) no Hoare annotation was computed. [2020-10-13 12:51:09,301 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 244 303) no Hoare annotation was computed. [2020-10-13 12:51:09,301 INFO L268 CegarLoopResult]: For program point L296(lines 269 297) no Hoare annotation was computed. [2020-10-13 12:51:09,301 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 789 795) the Hoare annotation is: true [2020-10-13 12:51:09,301 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 789 795) no Hoare annotation was computed. [2020-10-13 12:51:09,301 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 796 804) no Hoare annotation was computed. [2020-10-13 12:51:09,302 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 796 804) the Hoare annotation is: true [2020-10-13 12:51:09,302 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 796 804) no Hoare annotation was computed. [2020-10-13 12:51:09,302 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 905 912) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,302 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 905 912) no Hoare annotation was computed. [2020-10-13 12:51:09,302 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 905 912) no Hoare annotation was computed. [2020-10-13 12:51:09,302 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 913 922) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,302 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 913 922) no Hoare annotation was computed. [2020-10-13 12:51:09,303 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 913 922) no Hoare annotation was computed. [2020-10-13 12:51:09,303 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-10-13 12:51:09,303 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-10-13 12:51:09,303 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-10-13 12:51:09,303 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 923 951) the Hoare annotation is: true [2020-10-13 12:51:09,303 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 923 951) no Hoare annotation was computed. [2020-10-13 12:51:09,303 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:51:09,303 INFO L268 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-10-13 12:51:09,304 INFO L268 CegarLoopResult]: For program point L935(lines 935 945) no Hoare annotation was computed. [2020-10-13 12:51:09,304 INFO L271 CegarLoopResult]: At program point L933(line 933) the Hoare annotation is: true [2020-10-13 12:51:09,304 INFO L268 CegarLoopResult]: For program point L933-1(line 933) no Hoare annotation was computed. [2020-10-13 12:51:09,304 INFO L268 CegarLoopResult]: For program point L931(lines 931 948) no Hoare annotation was computed. [2020-10-13 12:51:09,304 INFO L268 CegarLoopResult]: For program point L931-1(lines 923 951) no Hoare annotation was computed. [2020-10-13 12:51:09,304 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 880 902) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,304 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,305 INFO L264 CegarLoopResult]: At program point L892-1(line 892) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,305 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-10-13 12:51:09,305 INFO L268 CegarLoopResult]: For program point L890-1(lines 890 897) no Hoare annotation was computed. [2020-10-13 12:51:09,305 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 880 902) no Hoare annotation was computed. [2020-10-13 12:51:09,305 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-10-13 12:51:09,305 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,306 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,306 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,306 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 880 902) no Hoare annotation was computed. [2020-10-13 12:51:09,306 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-10-13 12:51:09,306 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-10-13 12:51:09,306 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-10-13 12:51:09,306 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-10-13 12:51:09,307 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 627 635) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 627 635) the Hoare annotation is: true [2020-10-13 12:51:09,308 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 627 635) no Hoare annotation was computed. [2020-10-13 12:51:09,308 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 672 690) the Hoare annotation is: true [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L271 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: true [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 685) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 672 690) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 672 690) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-10-13 12:51:09,309 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 636 671) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 636 671) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point L643(lines 643 651) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 636 671) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 782 788) no Hoare annotation was computed. [2020-10-13 12:51:09,310 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 782 788) the Hoare annotation is: true [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 142 187) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 142 187) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 142 187) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point L469(lines 469 489) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 489) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:51:09,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 869 879) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 869 879) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 869 879) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 616 626) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-10-13 12:51:09,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 616 626) no Hoare annotation was computed. [2020-10-13 12:51:09,313 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 616 626) no Hoare annotation was computed. [2020-10-13 12:51:09,313 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 608 615) the Hoare annotation is: true [2020-10-13 12:51:09,313 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 608 615) no Hoare annotation was computed. [2020-10-13 12:51:09,313 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 608 615) no Hoare annotation was computed. [2020-10-13 12:51:09,313 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:51:09,313 INFO L268 CegarLoopResult]: For program point L576-1(lines 557 581) no Hoare annotation was computed. [2020-10-13 12:51:09,313 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:09,313 INFO L264 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:09,313 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 557 581) no Hoare annotation was computed. [2020-10-13 12:51:09,314 INFO L268 CegarLoopResult]: For program point L565(lines 565 573) no Hoare annotation was computed. [2020-10-13 12:51:09,314 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 557 581) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:51:09,314 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:09,314 INFO L268 CegarLoopResult]: For program point L563-1(line 563) no Hoare annotation was computed. [2020-10-13 12:51:09,314 INFO L268 CegarLoopResult]: For program point L561(lines 561 578) no Hoare annotation was computed. [2020-10-13 12:51:09,314 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 549 555) no Hoare annotation was computed. [2020-10-13 12:51:09,314 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 549 555) the Hoare annotation is: true [2020-10-13 12:51:09,314 INFO L264 CegarLoopResult]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:09,315 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,315 INFO L268 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-10-13 12:51:09,315 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2020-10-13 12:51:09,315 INFO L268 CegarLoopResult]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2020-10-13 12:51:09,315 INFO L264 CegarLoopResult]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,315 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,315 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-10-13 12:51:09,315 INFO L268 CegarLoopResult]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2020-10-13 12:51:09,316 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-10-13 12:51:09,316 INFO L264 CegarLoopResult]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:09,316 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-10-13 12:51:09,316 INFO L264 CegarLoopResult]: At program point L749-2(lines 741 754) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,316 INFO L268 CegarLoopResult]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-10-13 12:51:09,316 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,316 INFO L268 CegarLoopResult]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 409 454) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 409 454) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 409 454) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point L423(lines 423 443) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point L423-1(lines 423 443) no Hoare annotation was computed. [2020-10-13 12:51:09,317 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 582 589) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 582 589) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 582 589) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:51:09,318 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 375) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 306 408) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L376(lines 354 377) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L335(lines 335 351) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L395(lines 395 402) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 306 408) no Hoare annotation was computed. [2020-10-13 12:51:09,319 INFO L268 CegarLoopResult]: For program point L356(lines 355 375) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L352(lines 352 393) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 306 408) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-10-13 12:51:09,320 INFO L268 CegarLoopResult]: For program point L394(lines 394 405) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 772 781) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 772 781) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 772 781) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,321 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:51:09,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 591 607) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point L602-1(lines 591 607) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 591 607) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point L598(lines 598 604) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-10-13 12:51:09,322 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:51:09,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:51:09,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:51:09,324 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,324 INFO L264 CegarLoopResult]: At program point L536(lines 536 542) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,324 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:09,324 INFO L268 CegarLoopResult]: For program point L529(lines 525 547) no Hoare annotation was computed. [2020-10-13 12:51:09,324 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 522 548) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point L527(lines 525 547) no Hoare annotation was computed. [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 522 548) no Hoare annotation was computed. [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 522 548) no Hoare annotation was computed. [2020-10-13 12:51:09,325 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-10-13 12:51:09,325 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-10-13 12:51:09,325 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-10-13 12:51:09,326 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-10-13 12:51:09,326 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-13 12:51:09,326 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-10-13 12:51:09,326 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-10-13 12:51:09,326 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-10-13 12:51:09,326 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-10-13 12:51:09,326 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:51:09,326 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:51:09,327 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-10-13 12:51:09,327 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-10-13 12:51:09,327 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,327 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:51:09,327 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:51:09,327 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:09,327 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 691 698) no Hoare annotation was computed. [2020-10-13 12:51:09,327 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 691 698) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,328 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 691 698) no Hoare annotation was computed. [2020-10-13 12:51:09,328 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:51:09,328 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:51:09,328 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:51:09,328 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2020-10-13 12:51:09,328 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-10-13 12:51:09,328 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2020-10-13 12:51:09,329 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2020-10-13 12:51:09,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:51:09 BoogieIcfgContainer [2020-10-13 12:51:09,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:51:09,348 INFO L168 Benchmark]: Toolchain (without parser) took 25540.74 ms. Allocated memory was 147.8 MB in the beginning and 666.4 MB in the end (delta: 518.5 MB). Free memory was 103.3 MB in the beginning and 384.6 MB in the end (delta: -281.3 MB). Peak memory consumption was 484.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,349 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.54 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 171.0 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,351 INFO L168 Benchmark]: Boogie Preprocessor took 86.23 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,352 INFO L168 Benchmark]: RCFGBuilder took 1166.48 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 192.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,352 INFO L168 Benchmark]: TraceAbstraction took 23620.02 ms. Allocated memory was 235.4 MB in the beginning and 666.4 MB in the end (delta: 431.0 MB). Free memory was 190.9 MB in the beginning and 384.6 MB in the end (delta: -193.7 MB). Peak memory consumption was 484.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:09,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.54 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 171.0 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.23 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.48 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 192.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23620.02 ms. Allocated memory was 235.4 MB in the beginning and 666.4 MB in the end (delta: 431.0 MB). Free memory was 190.9 MB in the beginning and 384.6 MB in the end (delta: -193.7 MB). Peak memory consumption was 484.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 314 SDslu, 207 SDs, 0 SdLazy, 612 SolverSat, 180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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, 3 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 160 PreInvPairs, 180 NumberOfFragments, 716 HoareAnnotationTreeSize, 160 FomulaSimplifications, 3570 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4939 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 49279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...