/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:30,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:30,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:30,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:30,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:30,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:30,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:30,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:30,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:30,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:30,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:30,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:30,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:30,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:30,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:30,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:30,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:30,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:30,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:30,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:30,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:30,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:30,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:30,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:30,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:30,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:30,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:30,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:30,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:30,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:30,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:30,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:30,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:30,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:30,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:30,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:30,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:30,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:30,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:30,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:30,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:30,841 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 11:14:30,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:30,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:30,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:30,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:30,893 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:30,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:30,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:30,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:30,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:30,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:30,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:30,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:30,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:30,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:30,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:30,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:30,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:30,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:30,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:30,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:30,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:30,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:30,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:30,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:30,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:30,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:30,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:30,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:30,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:30,900 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:31,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:31,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:31,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:31,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:31,370 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:31,371 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-09-21 11:14:31,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bd89574/14235f19703f49059ee18f0a3c7b7577/FLAG85a0cd3c8 [2020-09-21 11:14:32,046 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:32,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-09-21 11:14:32,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bd89574/14235f19703f49059ee18f0a3c7b7577/FLAG85a0cd3c8 [2020-09-21 11:14:32,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bd89574/14235f19703f49059ee18f0a3c7b7577 [2020-09-21 11:14:32,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:32,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:32,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:32,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:32,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:32,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32, skipping insertion in model container [2020-09-21 11:14:32,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:32,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:32,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:32,895 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:33,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:33,037 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:33,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33 WrapperNode [2020-09-21 11:14:33,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:33,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:33,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:33,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:33,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (1/1) ... [2020-09-21 11:14:33,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:33,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:33,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:33,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:33,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (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 11:14:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:34,344 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:34,345 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:34,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:34 BoogieIcfgContainer [2020-09-21 11:14:34,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:34,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:34,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:34,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:34,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:32" (1/3) ... [2020-09-21 11:14:34,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:34, skipping insertion in model container [2020-09-21 11:14:34,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:33" (2/3) ... [2020-09-21 11:14:34,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:34, skipping insertion in model container [2020-09-21 11:14:34,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:34" (3/3) ... [2020-09-21 11:14:34,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2020-09-21 11:14:34,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:34,384 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:34,408 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:34,438 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:34,439 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:34,439 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:34,439 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:34,439 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:34,439 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:34,439 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:34,440 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-09-21 11:14:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:14:34,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:34,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:34,483 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:34,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:34,491 INFO L82 PathProgramCache]: Analyzing trace with hash -471941416, now seen corresponding path program 1 times [2020-09-21 11:14:34,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:34,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625903563] [2020-09-21 11:14:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:14:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:14:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:14:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,350 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:35,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:35,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:35,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:35,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:35,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:35,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:14:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:35,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:35,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625903563] [2020-09-21 11:14:35,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:35,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:35,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384845192] [2020-09-21 11:14:35,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:35,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:35,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:35,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:35,642 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2020-09-21 11:14:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:36,550 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2020-09-21 11:14:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:14:36,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:14:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:36,569 INFO L225 Difference]: With dead ends: 226 [2020-09-21 11:14:36,570 INFO L226 Difference]: Without dead ends: 127 [2020-09-21 11:14:36,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-09-21 11:14:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2020-09-21 11:14:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 11:14:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-09-21 11:14:36,665 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2020-09-21 11:14:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:36,665 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-09-21 11:14:36,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-09-21 11:14:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:14:36,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:36,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:36,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:36,678 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:36,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1643529997, now seen corresponding path program 1 times [2020-09-21 11:14:36,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:36,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739828556] [2020-09-21 11:14:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:37,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:14:37,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-09-21 11:14:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:14:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,576 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:37,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:14:37,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:37,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:37,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:37,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:14:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:37,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:37,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:14:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:14:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:37,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739828556] [2020-09-21 11:14:37,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:37,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:37,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36768171] [2020-09-21 11:14:37,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:37,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:37,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:37,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:37,786 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 5 states. [2020-09-21 11:14:38,128 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:39,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:39,319 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2020-09-21 11:14:39,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:14:39,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:14:39,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:39,326 INFO L225 Difference]: With dead ends: 275 [2020-09-21 11:14:39,326 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 11:14:39,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:39,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 11:14:39,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 160. [2020-09-21 11:14:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 11:14:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2020-09-21 11:14:39,380 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 64 [2020-09-21 11:14:39,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:39,381 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2020-09-21 11:14:39,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2020-09-21 11:14:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:14:39,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:39,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:39,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:39,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:39,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:39,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1573550500, now seen corresponding path program 1 times [2020-09-21 11:14:39,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:39,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967935723] [2020-09-21 11:14:39,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:14:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,712 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:39,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:14:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:39,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:14:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:14:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:14:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:39,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967935723] [2020-09-21 11:14:39,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:39,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:39,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610647763] [2020-09-21 11:14:39,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:39,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:39,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:39,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:39,829 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 5 states. [2020-09-21 11:14:40,325 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:40,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:40,981 INFO L93 Difference]: Finished difference Result 260 states and 318 transitions. [2020-09-21 11:14:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:14:40,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-09-21 11:14:40,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:40,985 INFO L225 Difference]: With dead ends: 260 [2020-09-21 11:14:40,985 INFO L226 Difference]: Without dead ends: 173 [2020-09-21 11:14:40,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:40,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-21 11:14:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-09-21 11:14:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 11:14:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-09-21 11:14:41,041 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 63 [2020-09-21 11:14:41,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:41,042 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-09-21 11:14:41,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-09-21 11:14:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 11:14:41,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:41,044 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:41,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:41,045 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:41,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:41,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2060052563, now seen corresponding path program 1 times [2020-09-21 11:14:41,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:41,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475468906] [2020-09-21 11:14:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:14:41,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-21 11:14:41,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:14:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:14:41,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,822 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:41,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:41,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:14:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:41,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:41,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:42,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:14:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:42,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:14:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:14:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:14:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:14:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:42,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:14:42,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475468906] [2020-09-21 11:14:42,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:42,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:42,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113666108] [2020-09-21 11:14:42,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:42,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:42,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:42,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:42,130 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 8 states. [2020-09-21 11:14:42,878 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:43,728 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,397 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,709 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:44,788 INFO L93 Difference]: Finished difference Result 269 states and 342 transitions. [2020-09-21 11:14:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:44,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-09-21 11:14:44,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:44,790 INFO L225 Difference]: With dead ends: 269 [2020-09-21 11:14:44,790 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:14:44,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:14:44,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:14:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:14:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:14:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:14:44,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-09-21 11:14:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:44,794 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:14:44,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:14:44,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:14:44,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:44,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:14:44,995 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,177 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,357 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,527 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,665 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-21 11:14:45,788 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:14:45,921 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:14:46,082 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,248 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:46,412 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,574 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,732 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:46,892 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,056 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:47,227 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,382 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,529 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:47,686 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,939 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,094 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,245 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:48,396 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:48,556 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,714 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:48,868 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,023 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,175 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:49,347 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,499 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,647 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:49,807 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:49,961 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,114 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,267 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,420 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,570 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:50,722 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,886 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,039 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,199 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,302 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:14:51,455 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,608 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,757 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,083 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:52,417 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:52,739 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:52,896 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,046 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:53,296 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:53,525 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:53,803 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:54,056 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:54,252 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:14:54,470 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:54,674 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:54,893 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:55,134 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:55,419 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:55,637 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:56,028 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:14:56,248 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:56,463 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:56,902 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:57,119 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:57,381 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:57,625 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:58,045 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:58,270 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 11:14:58,665 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:14:58,674 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:14:58,675 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-09-21 11:14:58,676 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-09-21 11:14:58,676 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:14:58,676 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:14:58,676 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-09-21 11:14:58,676 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 11:14:58,677 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-09-21 11:14:58,677 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-09-21 11:14:58,677 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-09-21 11:14:58,677 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-09-21 11:14:58,677 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 759 766) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 759 766) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 759 766) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 767 776) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 767 776) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 767 776) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-09-21 11:14:58,678 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:14:58,678 INFO L268 CegarLoopResult]: For program point L790(lines 790 796) no Hoare annotation was computed. [2020-09-21 11:14:58,679 INFO L268 CegarLoopResult]: For program point L789(lines 789 799) no Hoare annotation was computed. [2020-09-21 11:14:58,679 INFO L271 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: true [2020-09-21 11:14:58,679 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-09-21 11:14:58,679 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-09-21 11:14:58,679 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 777 805) the Hoare annotation is: true [2020-09-21 11:14:58,679 INFO L268 CegarLoopResult]: For program point L785-1(lines 777 805) no Hoare annotation was computed. [2020-09-21 11:14:58,679 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-09-21 11:14:58,680 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-09-21 11:14:58,680 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 777 805) no Hoare annotation was computed. [2020-09-21 11:14:58,680 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,680 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,680 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,680 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-09-21 11:14:58,681 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-09-21 11:14:58,681 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:14:58,681 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-09-21 11:14:58,681 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,681 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,681 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,681 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:14:58,682 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:14:58,683 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 674 688) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L264 CegarLoopResult]: At program point L680(line 680) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point L678(lines 678 684) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 674 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 674 688) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 629 637) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 629 637) the Hoare annotation is: true [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 629 637) no Hoare annotation was computed. [2020-09-21 11:14:58,684 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point L657(lines 657 665) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 638 673) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 638 673) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point L645(lines 645 653) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2020-09-21 11:14:58,685 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 638 673) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:14:58,686 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 618 628) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-09-21 11:14:58,687 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 618 628) no Hoare annotation was computed. [2020-09-21 11:14:58,688 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 618 628) no Hoare annotation was computed. [2020-09-21 11:14:58,688 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 610 617) the Hoare annotation is: true [2020-09-21 11:14:58,688 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 610 617) no Hoare annotation was computed. [2020-09-21 11:14:58,688 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 610 617) no Hoare annotation was computed. [2020-09-21 11:14:58,688 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 595 601) no Hoare annotation was computed. [2020-09-21 11:14:58,688 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 595 601) the Hoare annotation is: true [2020-09-21 11:14:58,688 INFO L264 CegarLoopResult]: At program point testENTRY(lines 690 755) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,688 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-09-21 11:14:58,689 INFO L268 CegarLoopResult]: For program point testFINAL(lines 690 755) no Hoare annotation was computed. [2020-09-21 11:14:58,689 INFO L264 CegarLoopResult]: At program point L748(lines 699 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:14:58,689 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,689 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-09-21 11:14:58,689 INFO L264 CegarLoopResult]: At program point L736-1(lines 730 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,689 INFO L268 CegarLoopResult]: For program point L701(lines 700 747) no Hoare annotation was computed. [2020-09-21 11:14:58,689 INFO L268 CegarLoopResult]: For program point L730(lines 730 743) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L264 CegarLoopResult]: At program point L745(lines 700 747) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,690 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point testEXIT(lines 690 755) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:14:58,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L862(lines 862 870) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L862-2(lines 862 870) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 854 876) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 854 876) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 854 876) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 11:14:58,691 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-09-21 11:14:58,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 602 609) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 602 609) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 602 609) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 877 885) the Hoare annotation is: true [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 877 885) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 877 885) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,693 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 833 844) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:14:58,694 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 833 844) no Hoare annotation was computed. [2020-09-21 11:14:58,694 INFO L268 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-09-21 11:14:58,694 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:14:58,694 INFO L268 CegarLoopResult]: For program point L575(lines 571 593) no Hoare annotation was computed. [2020-09-21 11:14:58,694 INFO L268 CegarLoopResult]: For program point L573(lines 571 593) no Hoare annotation was computed. [2020-09-21 11:14:58,694 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 568 594) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,694 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 568 594) no Hoare annotation was computed. [2020-09-21 11:14:58,694 INFO L271 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: true [2020-09-21 11:14:58,695 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 568 594) no Hoare annotation was computed. [2020-09-21 11:14:58,695 INFO L271 CegarLoopResult]: At program point L582(lines 582 588) the Hoare annotation is: true [2020-09-21 11:14:58,695 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-09-21 11:14:58,695 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-09-21 11:14:58,695 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-09-21 11:14:58,695 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-09-21 11:14:58,695 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-09-21 11:14:58,695 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 11:14:58,696 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-09-21 11:14:58,696 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 845 853) no Hoare annotation was computed. [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 845 853) no Hoare annotation was computed. [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 845 853) no Hoare annotation was computed. [2020-09-21 11:14:58,696 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 809 820) the Hoare annotation is: true [2020-09-21 11:14:58,696 INFO L268 CegarLoopResult]: For program point L813-1(lines 809 820) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 809 820) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:14:58,697 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 821 832) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-09-21 11:14:58,697 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 821 832) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:58,697 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:14:58,698 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:14:58,698 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:14:58,698 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:14:58,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:14:58 BoogieIcfgContainer [2020-09-21 11:14:58,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:14:58,722 INFO L168 Benchmark]: Toolchain (without parser) took 26377.17 ms. Allocated memory was 141.6 MB in the beginning and 496.0 MB in the end (delta: 354.4 MB). Free memory was 104.3 MB in the beginning and 346.8 MB in the end (delta: -242.5 MB). Peak memory consumption was 365.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:58,723 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:14:58,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.14 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.6 MB in the beginning and 176.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:58,725 INFO L168 Benchmark]: Boogie Preprocessor took 99.07 ms. Allocated memory is still 206.6 MB. Free memory was 176.9 MB in the beginning and 172.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:58,726 INFO L168 Benchmark]: RCFGBuilder took 1212.95 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 172.8 MB in the beginning and 198.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:58,727 INFO L168 Benchmark]: TraceAbstraction took 24367.48 ms. Allocated memory was 235.4 MB in the beginning and 496.0 MB in the end (delta: 260.6 MB). Free memory was 198.2 MB in the beginning and 346.8 MB in the end (delta: -148.6 MB). Peak memory consumption was 365.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:58,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.14 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.6 MB in the beginning and 176.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.07 ms. Allocated memory is still 206.6 MB. Free memory was 176.9 MB in the beginning and 172.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.95 ms. Allocated memory was 206.6 MB in the beginning and 235.4 MB in the end (delta: 28.8 MB). Free memory was 172.8 MB in the beginning and 198.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24367.48 ms. Allocated memory was 235.4 MB in the beginning and 496.0 MB in the end (delta: 260.6 MB). Free memory was 198.2 MB in the beginning and 346.8 MB in the end (delta: -148.6 MB). Peak memory consumption was 365.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 417 SDslu, 273 SDs, 0 SdLazy, 782 SolverSat, 262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 101 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 223 PreInvPairs, 254 NumberOfFragments, 592 HoareAnnotationTreeSize, 223 FomulaSimplifications, 9914 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 47 FomulaSimplificationsInter, 6599 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 71251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...