/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_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:04:17,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:04:17,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:04:17,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:04:17,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:04:17,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:04:17,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:04:17,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:04:17,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:04:17,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:04:17,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:04:17,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:04:17,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:04:17,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:04:17,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:04:17,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:04:17,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:04:17,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:04:17,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:04:17,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:04:17,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:04:17,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:04:17,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:04:17,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:04:17,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:04:17,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:04:17,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:04:17,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:04:17,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:04:17,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:04:17,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:04:17,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:04:17,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:04:17,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:04:17,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:04:17,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:04:17,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:04:17,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:04:17,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:04:17,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:04:17,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:04:17,840 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 11:04:17,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:04:17,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:04:17,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:04:17,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:04:17,871 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:04:17,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:04:17,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:04:17,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:04:17,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:04:17,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:04:17,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:04:17,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:04:17,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:04:17,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:04:17,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:04:17,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:04:17,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:04:17,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:04:17,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:04:17,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:04:17,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:04:17,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:04:17,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:04:17,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:04:17,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:04:17,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:04:17,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:04:17,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:04:17,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:04:17,876 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 11:04:18,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:04:18,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:04:18,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:04:18,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:04:18,388 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:04:18,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2020-09-21 11:04:18,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a48ebcbb/fcfb80834b4e4b1aa2cae0bf109d97a6/FLAGfc3efb072 [2020-09-21 11:04:19,129 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:04:19,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2020-09-21 11:04:19,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a48ebcbb/fcfb80834b4e4b1aa2cae0bf109d97a6/FLAGfc3efb072 [2020-09-21 11:04:19,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a48ebcbb/fcfb80834b4e4b1aa2cae0bf109d97a6 [2020-09-21 11:04:19,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:04:19,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:04:19,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:04:19,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:04:19,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:04:19,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:04:19" (1/1) ... [2020-09-21 11:04:19,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2830e110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:19, skipping insertion in model container [2020-09-21 11:04:19,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:04:19" (1/1) ... [2020-09-21 11:04:19,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:04:19,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:04:20,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:04:20,036 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:04:20,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:04:20,189 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:04:20,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20 WrapperNode [2020-09-21 11:04:20,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:04:20,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:04:20,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:04:20,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:04:20,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (1/1) ... [2020-09-21 11:04:20,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:04:20,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:04:20,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:04:20,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:04:20,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (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 11:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:04:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:04:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:04:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:04:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:04:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:04:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:04:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:04:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:04:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:04:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:04:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:04:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:04:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:04:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:04:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:04:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:04:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:04:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:04:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:04:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:04:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:04:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:04:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:04:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:04:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:04:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:04:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:04:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:04:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:04:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:04:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:04:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:04:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:04:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:04:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:04:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:04:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:04:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:04:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:04:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:04:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:04:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:04:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:04:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:04:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:04:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:04:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:04:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:04:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:04:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:04:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:04:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:04:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:04:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:04:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:04:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:04:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:04:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:04:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:04:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:04:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:04:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:04:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:04:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:04:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:04:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:04:21,523 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:04:21,524 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:04:21,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:04:21 BoogieIcfgContainer [2020-09-21 11:04:21,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:04:21,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:04:21,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:04:21,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:04:21,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:04:19" (1/3) ... [2020-09-21 11:04:21,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f82bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:04:21, skipping insertion in model container [2020-09-21 11:04:21,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:04:20" (2/3) ... [2020-09-21 11:04:21,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f82bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:04:21, skipping insertion in model container [2020-09-21 11:04:21,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:04:21" (3/3) ... [2020-09-21 11:04:21,541 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2020-09-21 11:04:21,553 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:04:21,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:04:21,588 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:04:21,622 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:04:21,623 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:04:21,623 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:04:21,623 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:04:21,623 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:04:21,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:04:21,624 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:04:21,624 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:04:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-09-21 11:04:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:04:21,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:21,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:04:21,670 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:21,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:21,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1593609150, now seen corresponding path program 1 times [2020-09-21 11:04:21,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:21,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797920816] [2020-09-21 11:04:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:04:22,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:04:22,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:04:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:22,578 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:22,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:22,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:22,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:04:22,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:22,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:04:22,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:22,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:22,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:22,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:04:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:22,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:22,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:04:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:22,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:22,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:22,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:22,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:22,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:22,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:22,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:22,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:22,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797920816] [2020-09-21 11:04:22,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:22,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:04:22,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087718296] [2020-09-21 11:04:22,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:04:22,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:04:22,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:04:22,749 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-09-21 11:04:23,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:23,889 INFO L93 Difference]: Finished difference Result 288 states and 380 transitions. [2020-09-21 11:04:23,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:04:23,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:04:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:23,909 INFO L225 Difference]: With dead ends: 288 [2020-09-21 11:04:23,909 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 11:04:23,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:04:23,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 11:04:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2020-09-21 11:04:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:04:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2020-09-21 11:04:24,020 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2020-09-21 11:04:24,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:24,021 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2020-09-21 11:04:24,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:04:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-09-21 11:04:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:04:24,025 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:24,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:04:24,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:04:24,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:24,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash 18022412, now seen corresponding path program 1 times [2020-09-21 11:04:24,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:24,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255107000] [2020-09-21 11:04:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:04:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:04:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,466 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:24,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:24,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:24,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:24,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:24,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:04:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:24,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:04:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:24,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:24,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:24,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:24,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:24,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:24,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:24,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:24,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:24,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:24,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255107000] [2020-09-21 11:04:24,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:24,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:04:24,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830816894] [2020-09-21 11:04:24,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:04:24,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:24,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:04:24,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:04:24,556 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 4 states. [2020-09-21 11:04:24,983 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:25,872 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2020-09-21 11:04:25,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:04:25,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:04:25,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:25,876 INFO L225 Difference]: With dead ends: 217 [2020-09-21 11:04:25,876 INFO L226 Difference]: Without dead ends: 140 [2020-09-21 11:04:25,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:04:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-21 11:04:25,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-09-21 11:04:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:04:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-09-21 11:04:25,918 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2020-09-21 11:04:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:25,919 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-09-21 11:04:25,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:04:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-09-21 11:04:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:04:25,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:25,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:04:25,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:04:25,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:25,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash 20251595, now seen corresponding path program 1 times [2020-09-21 11:04:25,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:25,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653524775] [2020-09-21 11:04:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:04:26,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:04:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-09-21 11:04:26,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:04:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:04:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,661 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:26,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:26,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:04:26,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:26,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:26,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:26,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:04:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:04:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:26,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:26,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:26,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:26,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:26,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653524775] [2020-09-21 11:04:26,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:26,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:04:26,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002278015] [2020-09-21 11:04:26,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:04:26,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:26,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:04:26,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:04:26,819 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-09-21 11:04:27,123 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:27,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:27,988 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-09-21 11:04:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:04:27,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:04:27,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:27,992 INFO L225 Difference]: With dead ends: 230 [2020-09-21 11:04:27,993 INFO L226 Difference]: Without dead ends: 140 [2020-09-21 11:04:27,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:04:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-21 11:04:28,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-09-21 11:04:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:04:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-09-21 11:04:28,030 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-09-21 11:04:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:28,031 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-09-21 11:04:28,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:04:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-09-21 11:04:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:04:28,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:28,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:04:28,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:04:28,034 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:28,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:28,035 INFO L82 PathProgramCache]: Analyzing trace with hash -616674480, now seen corresponding path program 1 times [2020-09-21 11:04:28,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:28,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145608863] [2020-09-21 11:04:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:28,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:28,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:28,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:28,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:28,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:04:28,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:28,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-21 11:04:28,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:04:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:04:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:28,762 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:28,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:28,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:28,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:28,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:04:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:28,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:28,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:28,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:28,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:28,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:28,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:28,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:28,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:28,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:28,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:28,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:28,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:28,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:28,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:28,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:28,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:28,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:28,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:28,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:28,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:04:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:29,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:29,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:29,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:04:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:04:29,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:04:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:29,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:04:29,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:29,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:29,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:29,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:29,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:04:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:04:29,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:04:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:29,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:29,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:04:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:29,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:29,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:29,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:29,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:29,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:29,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145608863] [2020-09-21 11:04:29,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:29,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:04:29,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802988570] [2020-09-21 11:04:29,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:04:29,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:29,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:04:29,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:04:29,117 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-09-21 11:04:29,567 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:30,545 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:31,035 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:31,912 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:32,231 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:32,712 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:33,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:33,372 INFO L93 Difference]: Finished difference Result 358 states and 468 transitions. [2020-09-21 11:04:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:04:33,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 11:04:33,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:33,377 INFO L225 Difference]: With dead ends: 358 [2020-09-21 11:04:33,378 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 11:04:33,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:33,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 11:04:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2020-09-21 11:04:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-21 11:04:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2020-09-21 11:04:33,434 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 65 [2020-09-21 11:04:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:33,435 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2020-09-21 11:04:33,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:04:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2020-09-21 11:04:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:04:33,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:33,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:04:33,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:04:33,439 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:33,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1717988948, now seen corresponding path program 1 times [2020-09-21 11:04:33,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:33,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341644018] [2020-09-21 11:04:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:33,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:33,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:33,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:33,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:33,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:04:33,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-09-21 11:04:33,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:04:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:04:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,467 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:04:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:34,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:34,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:34,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:34,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:34,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:34,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:34,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:04:34,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:04:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:04:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:04:34,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:34,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:04:34,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:04:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:04:34,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:04:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:34,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:04:34,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:34,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:04:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:34,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:34,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:34,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:04:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:34,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:34,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:34,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:34,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:34,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:04:34,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:04:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:34,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341644018] [2020-09-21 11:04:34,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:34,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:04:34,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551786150] [2020-09-21 11:04:34,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:04:34,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:34,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:04:34,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:04:34,754 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2020-09-21 11:04:35,158 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:36,139 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:36,489 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:36,785 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:36,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:36,973 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2020-09-21 11:04:36,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:04:36,974 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-09-21 11:04:36,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:36,974 INFO L225 Difference]: With dead ends: 331 [2020-09-21 11:04:36,975 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:04:36,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:04:36,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:04:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:04:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:04:36,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 11:04:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:36,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:04:36,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:04:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:04:36,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:04:36,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:04:36,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:04:37,203 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:37,375 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:37,546 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:37,713 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:37,893 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:38,070 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:38,248 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:38,418 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:38,970 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:39,527 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:39,693 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:39,854 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:40,019 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:40,317 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:40,614 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:40,968 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:41,256 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:41,419 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:41,571 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:41,732 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:41,892 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:42,034 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:42,195 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:42,357 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:42,513 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:42,665 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:42,824 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:42,987 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:43,147 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:43,313 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:43,474 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:43,634 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:43,793 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:43,944 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:44,099 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:44,625 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:44,780 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:44,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:45,088 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:45,241 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:45,403 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:45,559 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:45,845 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:46,106 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:46,429 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:04:46,690 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:46,843 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:46,999 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:47,153 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:47,615 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:47,775 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:47,923 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:48,077 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:48,226 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:48,383 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:48,851 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:49,003 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:49,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:49,313 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:49,468 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:49,894 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:50,105 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:50,327 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:50,564 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:51,079 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:51,501 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:51,921 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 11:04:52,198 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:52,433 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:52,870 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:53,106 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:53,545 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:04:54,017 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-21 11:04:54,448 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:54,915 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:55,141 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:55,367 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:55,592 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:56,058 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:56,283 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:56,491 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:56,776 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:57,001 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:57,006 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-21 11:04:57,006 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2020-09-21 11:04:57,006 INFO L268 CegarLoopResult]: For program point L243(lines 220 244) no Hoare annotation was computed. [2020-09-21 11:04:57,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2020-09-21 11:04:57,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2020-09-21 11:04:57,007 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point L304(lines 277 305) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-21 11:04:57,008 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-09-21 11:04:57,009 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2020-09-21 11:04:57,009 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2020-09-21 11:04:57,009 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2020-09-21 11:04:57,009 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2020-09-21 11:04:57,009 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2020-09-21 11:04:57,009 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:04:57,009 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:04:57,010 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,010 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,010 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,010 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,010 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:04:57,010 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:04:57,011 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,011 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,011 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:04:57,011 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:57,011 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:04:57,011 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:57,011 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:04:57,012 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,013 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-09-21 11:04:57,013 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,013 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 688 712) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 688 712) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point L707-1(lines 688 712) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 783 791) the Hoare annotation is: true [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 828 846) the Hoare annotation is: true [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 828 846) no Hoare annotation was computed. [2020-09-21 11:04:57,014 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L837-2(lines 837 841) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 828 846) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 792 827) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 792 827) no Hoare annotation was computed. [2020-09-21 11:04:57,015 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 792 827) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2020-09-21 11:04:57,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2020-09-21 11:04:57,017 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2020-09-21 11:04:57,017 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-09-21 11:04:57,017 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,017 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:04:57,017 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:04:57,017 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 772 782) the Hoare annotation is: true [2020-09-21 11:04:57,017 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 772 782) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 772 782) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 764 771) the Hoare annotation is: true [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 764 771) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 764 771) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:57,018 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,018 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:57,019 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,019 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,019 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-09-21 11:04:57,019 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,019 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-09-21 11:04:57,019 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-09-21 11:04:57,019 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 680 686) no Hoare annotation was computed. [2020-09-21 11:04:57,019 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 680 686) the Hoare annotation is: true [2020-09-21 11:04:57,020 INFO L264 CegarLoopResult]: At program point testENTRY(lines 882 947) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,020 INFO L268 CegarLoopResult]: For program point L894(lines 894 898) no Hoare annotation was computed. [2020-09-21 11:04:57,020 INFO L268 CegarLoopResult]: For program point testFINAL(lines 882 947) no Hoare annotation was computed. [2020-09-21 11:04:57,020 INFO L264 CegarLoopResult]: At program point L940(lines 891 941) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,020 INFO L268 CegarLoopResult]: For program point L930(lines 930 934) no Hoare annotation was computed. [2020-09-21 11:04:57,020 INFO L264 CegarLoopResult]: At program point L930-2(lines 922 935) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,020 INFO L268 CegarLoopResult]: For program point L893(lines 892 939) no Hoare annotation was computed. [2020-09-21 11:04:57,020 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,020 INFO L268 CegarLoopResult]: For program point L922(lines 922 935) no Hoare annotation was computed. [2020-09-21 11:04:57,021 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,021 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-09-21 11:04:57,021 INFO L268 CegarLoopResult]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2020-09-21 11:04:57,021 INFO L264 CegarLoopResult]: At program point L937(lines 892 939) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,021 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:57,021 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-09-21 11:04:57,021 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-09-21 11:04:57,021 INFO L268 CegarLoopResult]: For program point testEXIT(lines 882 947) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point L437(lines 437 444) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point L431(lines 431 451) no Hoare annotation was computed. [2020-09-21 11:04:57,022 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2020-09-21 11:04:57,023 INFO L268 CegarLoopResult]: For program point L605(lines 605 613) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point L384(lines 362 385) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2020-09-21 11:04:57,024 INFO L268 CegarLoopResult]: For program point L343(lines 343 359) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point L403(lines 403 410) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point L364(lines 363 383) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point L395-1(line 395) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point L360(lines 360 401) no Hoare annotation was computed. [2020-09-21 11:04:57,025 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L365(lines 365 369) no Hoare annotation was computed. [2020-09-21 11:04:57,026 INFO L268 CegarLoopResult]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2020-09-21 11:04:57,027 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2020-09-21 11:04:57,027 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2020-09-21 11:04:57,027 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2020-09-21 11:04:57,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,028 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#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~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.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)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.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~string52.base| |old(#t~string52.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:57,028 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,028 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-09-21 11:04:57,028 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-09-21 11:04:57,028 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 763) no Hoare annotation was computed. [2020-09-21 11:04:57,028 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 747 763) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point L758-1(lines 747 763) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 620 628) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2020-09-21 11:04:57,029 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:57,030 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,030 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,031 INFO L264 CegarLoopResult]: At program point L667(lines 667 673) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,031 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,031 INFO L268 CegarLoopResult]: For program point L660(lines 659 678) no Hoare annotation was computed. [2020-09-21 11:04:57,031 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 656 679) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:57,031 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 656 679) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 656 679) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:04:57,032 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:04:57,032 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:04:57,032 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:04:57,033 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:04:57,033 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:04:57,033 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:04:57,033 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2020-09-21 11:04:57,033 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2020-09-21 11:04:57,033 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2020-09-21 11:04:57,033 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2020-09-21 11:04:57,034 INFO L268 CegarLoopResult]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2020-09-21 11:04:57,034 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2020-09-21 11:04:57,034 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:04:57,034 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:04:57,034 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,034 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:57,035 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:57,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:57,035 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 847 854) no Hoare annotation was computed. [2020-09-21 11:04:57,035 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 847 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:04:57,035 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 847 854) no Hoare annotation was computed. [2020-09-21 11:04:57,035 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2020-09-21 11:04:57,036 INFO L268 CegarLoopResult]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2020-09-21 11:04:57,036 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:57,036 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2020-09-21 11:04:57,036 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2020-09-21 11:04:57,036 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point L864(lines 864 877) no Hoare annotation was computed. [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point L864-1(lines 856 880) no Hoare annotation was computed. [2020-09-21 11:04:57,037 INFO L271 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: true [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-09-21 11:04:57,037 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 856 880) the Hoare annotation is: true [2020-09-21 11:04:57,037 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 856 880) no Hoare annotation was computed. [2020-09-21 11:04:57,038 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:57,038 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-09-21 11:04:57,038 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:57,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:57 BoogieIcfgContainer [2020-09-21 11:04:57,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:57,062 INFO L168 Benchmark]: Toolchain (without parser) took 37630.61 ms. Allocated memory was 138.9 MB in the beginning and 669.0 MB in the end (delta: 530.1 MB). Free memory was 101.2 MB in the beginning and 107.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 528.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:57,063 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:04:57,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 167.7 MB in the end (delta: -67.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:57,064 INFO L168 Benchmark]: Boogie Preprocessor took 103.18 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:57,065 INFO L168 Benchmark]: RCFGBuilder took 1236.11 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 162.9 MB in the beginning and 192.2 MB in the end (delta: -29.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:57,066 INFO L168 Benchmark]: TraceAbstraction took 35527.84 ms. Allocated memory was 234.4 MB in the beginning and 669.0 MB in the end (delta: 434.6 MB). Free memory was 192.2 MB in the beginning and 107.4 MB in the end (delta: 84.8 MB). Peak memory consumption was 524.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:57,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 167.7 MB in the end (delta: -67.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.18 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1236.11 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 162.9 MB in the beginning and 192.2 MB in the end (delta: -29.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35527.84 ms. Allocated memory was 234.4 MB in the beginning and 669.0 MB in the end (delta: 434.6 MB). Free memory was 192.2 MB in the beginning and 107.4 MB in the end (delta: 84.8 MB). Peak memory consumption was 524.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 892]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 675 SDslu, 275 SDs, 0 SdLazy, 1425 SolverSat, 438 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 339 PreInvPairs, 369 NumberOfFragments, 770 HoareAnnotationTreeSize, 339 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 12.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8333 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 79482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...