/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:47,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:47,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:47,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:47,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:47,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:47,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:47,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:47,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:47,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:47,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:47,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:47,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:47,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:47,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:47,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:47,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:47,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:47,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:47,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:47,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:47,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:47,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:47,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:47,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:47,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:47,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:47,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:47,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:47,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:47,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:47,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:47,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:47,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:47,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:47,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:47,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:47,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:47,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:47,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:47,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:47,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:13:47,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:47,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:47,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:47,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:47,551 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:47,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:47,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:47,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:47,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:47,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:47,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:47,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:47,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:47,554 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:47,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:47,554 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:47,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:47,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:47,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:47,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:47,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:47,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:47,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:47,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:47,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:47,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:47,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:47,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:47,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:47,558 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:13:48,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:48,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:48,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:48,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:48,065 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:48,066 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-09-21 12:13:48,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ad407ec7/7a9294ea65ee49d58d9f3cc249d716d8/FLAG8bf047fef [2020-09-21 12:13:48,779 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:48,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-09-21 12:13:48,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ad407ec7/7a9294ea65ee49d58d9f3cc249d716d8/FLAG8bf047fef [2020-09-21 12:13:49,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ad407ec7/7a9294ea65ee49d58d9f3cc249d716d8 [2020-09-21 12:13:49,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:49,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:49,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:49,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:49,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:49,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49, skipping insertion in model container [2020-09-21 12:13:49,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:49,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:49,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:49,630 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:49,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:49,749 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49 WrapperNode [2020-09-21 12:13:49,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:49,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:49,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:49,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:49,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... [2020-09-21 12:13:49,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:49,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:49,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:49,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:49,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:13:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:13:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:13:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:50,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:50,917 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:50,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:50 BoogieIcfgContainer [2020-09-21 12:13:50,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:50,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:50,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:50,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:50,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:49" (1/3) ... [2020-09-21 12:13:50,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b9b8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:50, skipping insertion in model container [2020-09-21 12:13:50,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:49" (2/3) ... [2020-09-21 12:13:50,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b9b8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:50, skipping insertion in model container [2020-09-21 12:13:50,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:50" (3/3) ... [2020-09-21 12:13:50,932 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-09-21 12:13:50,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:50,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:50,975 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:51,002 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:51,002 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:51,002 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:51,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:51,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:51,003 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:51,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:51,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 12:13:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:51,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:51,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:51,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:51,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:51,048 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2020-09-21 12:13:51,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:51,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275924433] [2020-09-21 12:13:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:51,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:52,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:52,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:52,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:52,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1485 [2020-09-21 12:13:52,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:52,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:52,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:13:53,191 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:13:53,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:53,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:53,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:53,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:53,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:13:53,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-09-21 12:13:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:53,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:53,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:53,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:53,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:53,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:53,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:53,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:53,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:53,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:53,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:53,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:53,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275924433] [2020-09-21 12:13:53,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:53,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:53,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008822751] [2020-09-21 12:13:53,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:53,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:53,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:53,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:53,445 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-09-21 12:13:54,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:54,381 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-09-21 12:13:54,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:54,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:54,401 INFO L225 Difference]: With dead ends: 247 [2020-09-21 12:13:54,401 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:13:54,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:54,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:13:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:13:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:13:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-09-21 12:13:54,503 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-09-21 12:13:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:54,504 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-09-21 12:13:54,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-09-21 12:13:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:54,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:54,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:54,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:54,510 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:54,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:54,510 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2020-09-21 12:13:54,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:54,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843110122] [2020-09-21 12:13:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:54,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:54,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:55,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:13:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,890 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:55,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:55,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:13:55,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:56,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:13:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:56,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:56,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:56,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:56,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:56,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:56,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:56,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:56,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:56,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843110122] [2020-09-21 12:13:56,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:56,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:56,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813902040] [2020-09-21 12:13:56,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:56,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:56,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:56,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:56,067 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-09-21 12:13:56,682 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:57,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:57,275 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-09-21 12:13:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:57,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:57,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:57,278 INFO L225 Difference]: With dead ends: 180 [2020-09-21 12:13:57,278 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 12:13:57,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 12:13:57,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 12:13:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:13:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-09-21 12:13:57,313 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-09-21 12:13:57,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:57,313 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-09-21 12:13:57,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-09-21 12:13:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:13:57,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:57,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:57,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:57,316 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:57,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:57,317 INFO L82 PathProgramCache]: Analyzing trace with hash 70257927, now seen corresponding path program 1 times [2020-09-21 12:13:57,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:57,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059441954] [2020-09-21 12:13:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:57,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:13:58,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:58,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:13:58,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:13:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,648 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:13:58,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:58,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:58,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:13:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:13:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:58,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059441954] [2020-09-21 12:13:58,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:58,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:58,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201449321] [2020-09-21 12:13:58,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:58,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:58,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:58,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:58,849 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 4 states. [2020-09-21 12:13:59,177 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:59,809 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-09-21 12:13:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:59,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:13:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:59,812 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:13:59,812 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 12:13:59,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 12:13:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 12:13:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:13:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 12:13:59,842 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-09-21 12:13:59,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:59,842 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 12:13:59,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 12:13:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:13:59,844 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:59,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:59,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:59,845 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:59,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:59,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2020-09-21 12:13:59,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:59,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400667088] [2020-09-21 12:13:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:59,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:00,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:00,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:14:00,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:14:00,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:14:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:14:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,246 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:01,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:14:01,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:01,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:14:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:14:01,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:14:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:14:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:01,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:01,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:14:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:01,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:14:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:01,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:01,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400667088] [2020-09-21 12:14:01,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:01,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:14:01,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022185291] [2020-09-21 12:14:01,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:14:01,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:01,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:14:01,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:14:01,509 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 9 states. [2020-09-21 12:14:02,025 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:02,989 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:03,330 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:14:03,710 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:14:03,995 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:04,407 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:05,189 INFO L93 Difference]: Finished difference Result 283 states and 371 transitions. [2020-09-21 12:14:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:14:05,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-09-21 12:14:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:05,195 INFO L225 Difference]: With dead ends: 283 [2020-09-21 12:14:05,195 INFO L226 Difference]: Without dead ends: 212 [2020-09-21 12:14:05,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:14:05,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-21 12:14:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-09-21 12:14:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-09-21 12:14:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-09-21 12:14:05,246 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2020-09-21 12:14:05,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:05,247 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-09-21 12:14:05,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:14:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-09-21 12:14:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:14:05,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:05,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:14:05,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:14:05,249 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:05,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:05,250 INFO L82 PathProgramCache]: Analyzing trace with hash 927496270, now seen corresponding path program 1 times [2020-09-21 12:14:05,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:05,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506213335] [2020-09-21 12:14:05,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 12:14:06,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:14:06,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-21 12:14:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:14:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,552 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:14:06,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:06,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:06,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:06,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:06,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:14:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:14:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:14:06,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:06,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:14:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:14:06,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:14:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:06,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:06,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:14:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:06,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:06,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:14:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:06,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:06,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:06,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506213335] [2020-09-21 12:14:06,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:06,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:14:06,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304130376] [2020-09-21 12:14:06,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:14:06,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:06,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:14:06,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:14:06,728 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 7 states. [2020-09-21 12:14:07,478 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:07,798 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:09,470 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2020-09-21 12:14:09,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:14:09,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-09-21 12:14:09,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:09,475 INFO L225 Difference]: With dead ends: 462 [2020-09-21 12:14:09,475 INFO L226 Difference]: Without dead ends: 275 [2020-09-21 12:14:09,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:14:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-09-21 12:14:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 239. [2020-09-21 12:14:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-09-21 12:14:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 294 transitions. [2020-09-21 12:14:09,532 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 294 transitions. Word has length 63 [2020-09-21 12:14:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:09,532 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 294 transitions. [2020-09-21 12:14:09,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:14:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2020-09-21 12:14:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-09-21 12:14:09,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:09,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:14:09,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:14:09,535 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1981108189, now seen corresponding path program 1 times [2020-09-21 12:14:09,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:09,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548742023] [2020-09-21 12:14:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:09,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:10,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-21 12:14:10,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:14:10,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:14:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:14:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:10,829 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:10,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:10,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:10,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:10,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:10,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:10,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:10,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:10,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:10,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:10,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:10,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:10,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:10,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:10,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:10,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:11,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:11,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:11,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:11,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:14:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:11,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:11,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:14:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:14:11,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:14:11,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 12:14:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:14:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:14:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:14:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:14:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:11,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:11,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:11,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 12:14:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:11,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:11,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:11,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 12:14:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:11,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:11,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 12:14:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:11,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:11,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:11,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:11,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548742023] [2020-09-21 12:14:11,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:11,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:14:11,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792631195] [2020-09-21 12:14:11,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:14:11,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:11,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:14:11,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:14:11,115 INFO L87 Difference]: Start difference. First operand 239 states and 294 transitions. Second operand 6 states. [2020-09-21 12:14:11,521 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:11,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:11,829 INFO L93 Difference]: Finished difference Result 280 states and 344 transitions. [2020-09-21 12:14:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:14:11,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-09-21 12:14:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:11,831 INFO L225 Difference]: With dead ends: 280 [2020-09-21 12:14:11,831 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:14:11,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:14:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:14:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:14:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:14:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:14:11,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-09-21 12:14:11,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:11,834 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:14:11,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:14:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:14:11,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:14:11,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:14:11,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:14:12,026 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:12,201 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:12,681 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 12:14:13,060 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:14:13,437 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 12:14:13,785 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:14:14,159 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 12:14:14,522 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:14:14,691 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:14,850 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:15,563 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-09-21 12:14:15,722 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:16,390 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2020-09-21 12:14:16,542 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:16,682 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:16,841 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:17,004 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,157 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,309 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,615 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,768 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:17,933 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:18,086 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:18,248 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:18,402 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:18,555 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:18,708 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:18,860 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:19,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:19,284 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 12:14:19,526 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:19,783 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 12:14:20,027 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:20,285 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 12:14:20,529 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:20,690 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:20,842 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:20,997 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:21,150 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:21,308 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:21,789 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 200 [2020-09-21 12:14:21,955 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:22,118 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:22,271 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:22,430 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:22,588 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:22,779 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:22,931 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:23,422 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 200 [2020-09-21 12:14:23,645 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 14 [2020-09-21 12:14:23,859 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:24,066 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2020-09-21 12:14:24,395 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-09-21 12:14:24,598 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:24,902 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-09-21 12:14:25,117 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:25,385 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:25,606 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 14 [2020-09-21 12:14:26,024 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2020-09-21 12:14:26,449 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 15 [2020-09-21 12:14:26,630 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2020-09-21 12:14:26,987 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-21 12:14:27,248 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-09-21 12:14:27,476 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:27,685 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:27,898 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:28,118 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:28,364 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:14:28,631 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-09-21 12:14:28,636 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-09-21 12:14:28,636 INFO L268 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-09-21 12:14:28,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-09-21 12:14:28,638 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-09-21 12:14:28,638 INFO L268 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-09-21 12:14:28,638 INFO L268 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-09-21 12:14:28,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-09-21 12:14:28,638 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-09-21 12:14:28,639 INFO L268 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-09-21 12:14:28,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-09-21 12:14:28,639 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-09-21 12:14:28,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-09-21 12:14:28,639 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-09-21 12:14:28,640 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2020-09-21 12:14:28,640 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2020-09-21 12:14:28,640 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2020-09-21 12:14:28,640 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2020-09-21 12:14:28,640 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2020-09-21 12:14:28,640 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 12:14:28,640 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 ~waterLevel~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:28,641 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 12:14:28,641 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 ~waterLevel~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:28,641 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 12:14:28,641 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 12:14:28,641 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 12:14:28,641 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 12:14:28,641 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 12:14:28,642 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 12:14:28,642 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,642 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,642 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-09-21 12:14:28,642 INFO L268 CegarLoopResult]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2020-09-21 12:14:28,642 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,642 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:14:28,643 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,643 INFO L264 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,643 INFO L264 CegarLoopResult]: At program point L155-1(line 155) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,643 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2020-09-21 12:14:28,643 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2020-09-21 12:14:28,643 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2020-09-21 12:14:28,643 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-21 12:14:28,644 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:14:28,645 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2020-09-21 12:14:28,646 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2020-09-21 12:14:28,646 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2020-09-21 12:14:28,646 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-09-21 12:14:28,646 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-09-21 12:14:28,646 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-09-21 12:14:28,646 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-09-21 12:14:28,646 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2020-09-21 12:14:28,647 INFO L268 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-09-21 12:14:28,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-09-21 12:14:28,649 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2020-09-21 12:14:28,650 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2020-09-21 12:14:28,651 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2020-09-21 12:14:28,651 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2020-09-21 12:14:28,651 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2020-09-21 12:14:28,651 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,651 INFO L268 CegarLoopResult]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2020-09-21 12:14:28,651 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,651 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,652 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,652 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-09-21 12:14:28,652 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,652 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 12:14:28,652 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-09-21 12:14:28,652 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2020-09-21 12:14:28,652 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2020-09-21 12:14:28,652 INFO L264 CegarLoopResult]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:28,652 INFO L268 CegarLoopResult]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2020-09-21 12:14:28,653 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,653 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-21 12:14:28,653 INFO L264 CegarLoopResult]: At program point L263-2(lines 257 268) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,653 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-09-21 12:14:28,653 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-09-21 12:14:28,653 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,653 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) [2020-09-21 12:14:28,654 INFO L264 CegarLoopResult]: At program point L270(lines 227 272) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2020-09-21 12:14:28,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2020-09-21 12:14:28,655 INFO L268 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-09-21 12:14:28,656 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-09-21 12:14:28,657 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-09-21 12:14:28,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,659 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:14:28,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,659 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2020-09-21 12:14:28,659 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2020-09-21 12:14:28,659 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2020-09-21 12:14:28,659 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2020-09-21 12:14:28,659 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,660 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,661 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,664 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,664 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2020-09-21 12:14:28,664 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:28,664 INFO L268 CegarLoopResult]: For program point L295(lines 294 313) no Hoare annotation was computed. [2020-09-21 12:14:28,664 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2020-09-21 12:14:28,664 INFO L271 CegarLoopResult]: At program point L96(lines 71 100) the Hoare annotation is: true [2020-09-21 12:14:28,665 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2020-09-21 12:14:28,665 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2020-09-21 12:14:28,665 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:14:28,665 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-09-21 12:14:28,665 INFO L271 CegarLoopResult]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2020-09-21 12:14:28,665 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:14:28,665 INFO L271 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2020-09-21 12:14:28,665 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-09-21 12:14:28,665 INFO L268 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-09-21 12:14:28,666 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2020-09-21 12:14:28,666 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2020-09-21 12:14:28,666 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2020-09-21 12:14:28,666 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2020-09-21 12:14:28,667 INFO L268 CegarLoopResult]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2020-09-21 12:14:28,667 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2020-09-21 12:14:28,667 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2020-09-21 12:14:28,667 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2020-09-21 12:14:28,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,667 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) [2020-09-21 12:14:28,667 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:14:28,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:28,668 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2020-09-21 12:14:28,668 INFO L268 CegarLoopResult]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2020-09-21 12:14:28,668 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (or (not (<= 1 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:28,668 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2020-09-21 12:14:28,668 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-09-21 12:14:28,668 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2020-09-21 12:14:28,668 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2020-09-21 12:14:28,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:14:28 BoogieIcfgContainer [2020-09-21 12:14:28,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:14:28,706 INFO L168 Benchmark]: Toolchain (without parser) took 39664.22 ms. Allocated memory was 147.3 MB in the beginning and 638.6 MB in the end (delta: 491.3 MB). Free memory was 102.7 MB in the beginning and 265.5 MB in the end (delta: -162.8 MB). Peak memory consumption was 477.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:28,706 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:14:28,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.68 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 102.1 MB in the beginning and 170.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:28,708 INFO L168 Benchmark]: Boogie Preprocessor took 96.86 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:28,708 INFO L168 Benchmark]: RCFGBuilder took 1075.25 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 199.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:28,709 INFO L168 Benchmark]: TraceAbstraction took 37774.32 ms. Allocated memory was 237.0 MB in the beginning and 638.6 MB in the end (delta: 401.6 MB). Free memory was 199.3 MB in the beginning and 265.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 484.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:28,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.68 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 102.1 MB in the beginning and 170.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.86 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1075.25 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 199.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37774.32 ms. Allocated memory was 237.0 MB in the beginning and 638.6 MB in the end (delta: 401.6 MB). Free memory was 199.3 MB in the beginning and 265.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 484.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(1 <= \old(waterLevel))) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((!(1 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((splverifierCounter <= 0 && pumpRunning == \old(pumpRunning)) && 1 <= waterLevel) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 562 SDtfs, 823 SDslu, 319 SDs, 0 SdLazy, 1542 SolverSat, 490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 158 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 325 PreInvPairs, 364 NumberOfFragments, 706 HoareAnnotationTreeSize, 325 FomulaSimplifications, 60050 FormulaSimplificationTreeSizeReduction, 11.5s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7378 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 94630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...