/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:50:29,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:50:29,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:50:29,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:50:29,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:50:29,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:50:29,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:50:29,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:50:29,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:50:29,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:50:29,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:50:29,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:50:29,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:50:29,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:50:29,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:50:30,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:50:30,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:50:30,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:50:30,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:50:30,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:50:30,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:50:30,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:50:30,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:50:30,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:50:30,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:50:30,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:50:30,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:50:30,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:50:30,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:50:30,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:50:30,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:50:30,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:50:30,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:50:30,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:50:30,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:50:30,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:50:30,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:50:30,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:50:30,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:50:30,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:50:30,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:50:30,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:50:30,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:50:30,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:50:30,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:50:30,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:50:30,062 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:50:30,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:50:30,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:50:30,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:50:30,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:50:30,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:50:30,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:50:30,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:50:30,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:50:30,063 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:50:30,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:50:30,064 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:50:30,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:50:30,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:50:30,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:50:30,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:50:30,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:50:30,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:50:30,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:50:30,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:50:30,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:50:30,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:50:30,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:50:30,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:50:30,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:50:30,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:50:30,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:50:30,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:50:30,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:50:30,384 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:50:30,384 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:50:30,385 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2020-10-13 12:50:30,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19761fc57/f0336ff0cdbc497185ef03c9fcd3b293/FLAGf1b79052b [2020-10-13 12:50:30,955 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:50:30,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2020-10-13 12:50:30,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19761fc57/f0336ff0cdbc497185ef03c9fcd3b293/FLAGf1b79052b [2020-10-13 12:50:31,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19761fc57/f0336ff0cdbc497185ef03c9fcd3b293 [2020-10-13 12:50:31,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:50:31,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:50:31,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:31,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:50:31,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:50:31,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:31" (1/1) ... [2020-10-13 12:50:31,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5ae353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:31, skipping insertion in model container [2020-10-13 12:50:31,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:31" (1/1) ... [2020-10-13 12:50:31,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:50:31,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:50:31,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:31,907 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:50:31,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:32,025 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:50:32,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32 WrapperNode [2020-10-13 12:50:32,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:32,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:50:32,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:50:32,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:50:32,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... [2020-10-13 12:50:32,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:50:32,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:50:32,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:50:32,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:50:32,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:50:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:50:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:50:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:50:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:50:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:50:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:50:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:50:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:50:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:50:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:50:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:50:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:50:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:50:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:50:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:50:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:50:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:50:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:50:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:50:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:50:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:50:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:50:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:50:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:50:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:50:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:50:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:50:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:50:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:50:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:50:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:50:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:50:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:50:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:50:33,189 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:50:33,189 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:50:33,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:33 BoogieIcfgContainer [2020-10-13 12:50:33,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:50:33,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:50:33,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:50:33,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:50:33,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:31" (1/3) ... [2020-10-13 12:50:33,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5345c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:33, skipping insertion in model container [2020-10-13 12:50:33,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:32" (2/3) ... [2020-10-13 12:50:33,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5345c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:33, skipping insertion in model container [2020-10-13 12:50:33,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:33" (3/3) ... [2020-10-13 12:50:33,208 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product22.cil.c [2020-10-13 12:50:33,218 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:50:33,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:50:33,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:50:33,269 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:50:33,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:50:33,269 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:50:33,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:50:33,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:50:33,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:50:33,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:50:33,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:50:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-10-13 12:50:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:50:33,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:33,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:33,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1101389135, now seen corresponding path program 1 times [2020-10-13 12:50:33,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:33,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781173460] [2020-10-13 12:50:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:38,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:38,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:50:38,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4986 [2020-10-13 12:50:38,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:50:38,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:38,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 12:50:39,026 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:50:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:39,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:39,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:39,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:39,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:39,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:39,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:50:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:50:39,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:50:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:39,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:50:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:39,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:39,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:39,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781173460] [2020-10-13 12:50:39,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:39,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:50:39,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080153630] [2020-10-13 12:50:39,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:50:39,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:39,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:50:39,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:39,239 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-10-13 12:50:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:40,607 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2020-10-13 12:50:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:50:40,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:50:40,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:40,627 INFO L225 Difference]: With dead ends: 301 [2020-10-13 12:50:40,627 INFO L226 Difference]: Without dead ends: 166 [2020-10-13 12:50:40,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-13 12:50:40,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 136. [2020-10-13 12:50:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-13 12:50:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-10-13 12:50:40,729 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-10-13 12:50:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:40,729 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-10-13 12:50:40,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:50:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-10-13 12:50:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:50:40,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:40,734 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:40,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:50:40,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1849971763, now seen corresponding path program 1 times [2020-10-13 12:50:40,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:40,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780660940] [2020-10-13 12:50:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:40,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:50:45,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:45,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 12:50:45,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:50:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:50:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:50:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,061 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:50:46,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:46,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:46,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:50:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:46,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:50:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:50:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:46,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:46,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:46,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:46,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:46,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780660940] [2020-10-13 12:50:46,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:46,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:50:46,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104449831] [2020-10-13 12:50:46,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:50:46,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:46,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:50:46,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:50:46,173 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-10-13 12:50:46,776 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:50:47,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:47,735 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2020-10-13 12:50:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:50:47,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:50:47,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:47,741 INFO L225 Difference]: With dead ends: 242 [2020-10-13 12:50:47,741 INFO L226 Difference]: Without dead ends: 156 [2020-10-13 12:50:47,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:50:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-13 12:50:47,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2020-10-13 12:50:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-13 12:50:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-10-13 12:50:47,806 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-10-13 12:50:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:47,806 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-10-13 12:50:47,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:50:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-10-13 12:50:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 12:50:47,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:47,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:47,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:50:47,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:47,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:47,817 INFO L82 PathProgramCache]: Analyzing trace with hash 716376780, now seen corresponding path program 1 times [2020-10-13 12:50:47,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:47,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398338545] [2020-10-13 12:50:47,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:50,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:50,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 12:50:50,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:50:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2979 [2020-10-13 12:50:50,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:50:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 12:50:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:50:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:51,169 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:50:51,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:51,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:51,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:51,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:50:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:51,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:51,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:51,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:50:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:51,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:50:51,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:50:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:50:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:51,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:50:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:50:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:50:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:50:51,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398338545] [2020-10-13 12:50:51,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:51,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:50:51,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368979550] [2020-10-13 12:50:51,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:50:51,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:51,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:50:51,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:50:51,293 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 8 states. [2020-10-13 12:50:51,724 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:50:52,467 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:50:53,154 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:50:53,409 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:50:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:53,488 INFO L93 Difference]: Finished difference Result 212 states and 266 transitions. [2020-10-13 12:50:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:50:53,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-13 12:50:53,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:53,490 INFO L225 Difference]: With dead ends: 212 [2020-10-13 12:50:53,490 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:50:53,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:50:53,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:50:53,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:50:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:50:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:50:53,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-13 12:50:53,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:53,494 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:50:53,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:50:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:50:53,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:50:53,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:50:53,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:50:54,773 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:50:54,942 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:55,107 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:50:55,272 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:55,452 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:55,633 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:55,865 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:56,032 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2020-10-13 12:50:56,224 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:56,394 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:56,564 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:56,734 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:56,884 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:50:57,065 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:57,247 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:57,416 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:57,579 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 9 [2020-10-13 12:50:57,751 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:57,945 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 595) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point L596(lines 573 597) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 549 604) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 549 604) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-10-13 12:50:57,960 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 549 604) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 605 664) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 656) no Hoare annotation was computed. [2020-10-13 12:50:57,961 INFO L268 CegarLoopResult]: For program point L657(lines 630 658) no Hoare annotation was computed. [2020-10-13 12:50:57,962 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 605 664) no Hoare annotation was computed. [2020-10-13 12:50:57,962 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-10-13 12:50:57,962 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 605 664) no Hoare annotation was computed. [2020-10-13 12:50:57,962 INFO L268 CegarLoopResult]: For program point L650-1(line 650) no Hoare annotation was computed. [2020-10-13 12:50:57,962 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-13 12:50:57,962 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 282 289) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 282 289) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 282 289) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 290 299) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 290 299) no Hoare annotation was computed. [2020-10-13 12:50:57,963 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 290 299) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point L312(lines 312 322) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L271 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: true [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point L310-1(line 310) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point L308(lines 308 325) no Hoare annotation was computed. [2020-10-13 12:50:57,964 INFO L268 CegarLoopResult]: For program point L308-1(lines 300 328) no Hoare annotation was computed. [2020-10-13 12:50:57,965 INFO L271 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: true [2020-10-13 12:50:57,965 INFO L268 CegarLoopResult]: For program point L306-1(line 306) no Hoare annotation was computed. [2020-10-13 12:50:57,965 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 300 328) the Hoare annotation is: true [2020-10-13 12:50:57,965 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 300 328) no Hoare annotation was computed. [2020-10-13 12:50:57,965 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 12:50:57,965 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,966 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,966 INFO L264 CegarLoopResult]: At program point L479-1(line 479) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,966 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 473 495) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,966 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 473 495) no Hoare annotation was computed. [2020-10-13 12:50:57,966 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 473 495) no Hoare annotation was computed. [2020-10-13 12:50:57,966 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,967 INFO L264 CegarLoopResult]: At program point L485-1(line 485) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 490) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 431 454) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 431 454) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-13 12:50:57,967 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 431 454) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 206 214) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 206 214) the Hoare annotation is: true [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 206 214) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-10-13 12:50:57,968 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 251 269) the Hoare annotation is: true [2020-10-13 12:50:57,968 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 251 269) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L271 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: true [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 264) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 251 269) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 215 250) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L234(lines 234 242) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point L234-2(lines 234 242) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 215 250) no Hoare annotation was computed. [2020-10-13 12:50:57,969 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 215 250) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 503 548) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 503 548) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 503 548) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point L830(lines 830 850) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 850) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 816 861) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 816 861) no Hoare annotation was computed. [2020-10-13 12:50:57,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 816 861) no Hoare annotation was computed. [2020-10-13 12:50:57,971 INFO L268 CegarLoopResult]: For program point L836(lines 836 843) no Hoare annotation was computed. [2020-10-13 12:50:57,971 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,971 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2020-10-13 12:50:57,971 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2020-10-13 12:50:57,971 INFO L264 CegarLoopResult]: At program point L467(line 467) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,971 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 195 205) the Hoare annotation is: true [2020-10-13 12:50:57,971 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 195 205) no Hoare annotation was computed. [2020-10-13 12:50:57,971 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-10-13 12:50:57,971 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 195 205) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 187 194) the Hoare annotation is: true [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point L160-1(line 160) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2020-10-13 12:50:57,972 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 154 178) no Hoare annotation was computed. [2020-10-13 12:50:57,973 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 154 178) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:57,973 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:57,973 INFO L268 CegarLoopResult]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2020-10-13 12:50:57,973 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,973 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,973 INFO L268 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2020-10-13 12:50:57,973 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 120 126) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 120 126) the Hoare annotation is: true [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point L353(lines 353 359) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L264 CegarLoopResult]: At program point testENTRY(lines 333 398) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point testFINAL(lines 333 398) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L264 CegarLoopResult]: At program point L391(lines 342 392) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-13 12:50:57,974 INFO L264 CegarLoopResult]: At program point L381-2(lines 373 386) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,974 INFO L268 CegarLoopResult]: For program point L344(lines 343 390) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 369) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L264 CegarLoopResult]: At program point L388(lines 343 390) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,975 INFO L264 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point testEXIT(lines 333 398) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 770 815) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 770 815) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 770 815) no Hoare annotation was computed. [2020-10-13 12:50:57,975 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 942 950) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 942 950) the Hoare annotation is: true [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 942 950) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 910 932) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point L918(lines 918 926) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 910 932) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 910 932) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 926) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point L737(lines 715 738) no Hoare annotation was computed. [2020-10-13 12:50:57,976 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 667 769) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L696(lines 696 712) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L756(lines 756 763) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L717(lines 716 736) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L713(lines 713 754) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 667 769) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-10-13 12:50:57,977 INFO L268 CegarLoopResult]: For program point L691(lines 691 695) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 667 769) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L268 CegarLoopResult]: For program point L716-2(lines 716 736) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,978 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 179 186) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 179 186) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 179 186) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 933 941) the Hoare annotation is: true [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 933 941) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 933 941) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point L893-1(lines 889 900) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 889 900) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 889 900) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,980 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 901 909) the Hoare annotation is: true [2020-10-13 12:50:57,980 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 901 909) no Hoare annotation was computed. [2020-10-13 12:50:57,980 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 901 909) no Hoare annotation was computed. [2020-10-13 12:50:57,980 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 93 119) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-13 12:50:57,980 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,980 INFO L264 CegarLoopResult]: At program point L107(lines 107 113) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,980 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 93 119) no Hoare annotation was computed. [2020-10-13 12:50:57,980 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 93 119) no Hoare annotation was computed. [2020-10-13 12:50:57,980 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,980 INFO L268 CegarLoopResult]: For program point L100(lines 96 118) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point L98(lines 96 118) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: true [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point L407-1(line 407) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point L426(lines 401 430) the Hoare annotation is: true [2020-10-13 12:50:57,981 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-13 12:50:57,981 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 865 876) the Hoare annotation is: true [2020-10-13 12:50:57,982 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 865 876) no Hoare annotation was computed. [2020-10-13 12:50:57,982 INFO L268 CegarLoopResult]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2020-10-13 12:50:57,982 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2020-10-13 12:50:57,982 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2020-10-13 12:50:57,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,982 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:50:57,982 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:50:57,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 877 888) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 877 888) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 952 959) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 956) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 952 959) the Hoare annotation is: true [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 952 959) no Hoare annotation was computed. [2020-10-13 12:50:57,983 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 128 152) no Hoare annotation was computed. [2020-10-13 12:50:57,984 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 128 152) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:57,984 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:57,984 INFO L268 CegarLoopResult]: For program point L147-1(lines 128 152) no Hoare annotation was computed. [2020-10-13 12:50:57,984 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,984 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,984 INFO L268 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-10-13 12:50:57,984 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:57,984 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-10-13 12:50:57,984 INFO L268 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-10-13 12:50:58,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:50:58 BoogieIcfgContainer [2020-10-13 12:50:58,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:50:58,002 INFO L168 Benchmark]: Toolchain (without parser) took 26681.94 ms. Allocated memory was 138.9 MB in the beginning and 760.2 MB in the end (delta: 621.3 MB). Free memory was 101.1 MB in the beginning and 678.1 MB in the end (delta: -577.0 MB). Peak memory consumption was 643.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:58,003 INFO L168 Benchmark]: CDTParser took 0.24 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. [2020-10-13 12:50:58,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.70 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 168.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:58,005 INFO L168 Benchmark]: Boogie Preprocessor took 87.34 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:58,006 INFO L168 Benchmark]: RCFGBuilder took 1083.27 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 193.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:58,006 INFO L168 Benchmark]: TraceAbstraction took 24800.31 ms. Allocated memory was 234.4 MB in the beginning and 760.2 MB in the end (delta: 525.9 MB). Free memory was 192.0 MB in the beginning and 678.1 MB in the end (delta: -486.1 MB). Peak memory consumption was 638.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:58,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 704.70 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 168.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.34 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.27 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 193.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24800.31 ms. Allocated memory was 234.4 MB in the beginning and 760.2 MB in the end (delta: 525.9 MB). Free memory was 192.0 MB in the beginning and 678.1 MB in the end (delta: -486.1 MB). Peak memory consumption was 638.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 956]: 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: 342]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 346 SDslu, 215 SDs, 0 SdLazy, 673 SolverSat, 205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 207 PreInvPairs, 227 NumberOfFragments, 770 HoareAnnotationTreeSize, 207 FomulaSimplifications, 3570 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5319 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 49407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...