/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:15,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:15,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:15,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:15,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:15,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:15,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:15,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:15,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:15,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:15,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:15,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:15,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:15,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:15,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:15,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:15,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:15,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:15,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:15,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:15,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:15,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:15,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:15,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:15,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:15,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:15,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:15,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:15,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:15,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:15,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:15,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:15,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:15,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:15,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:15,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:15,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:15,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:15,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:15,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:15,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:15,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:15:16,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:16,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:16,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:16,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:16,019 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:16,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:16,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:16,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:16,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:16,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:16,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:16,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:16,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:16,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:16,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:16,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:16,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:16,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:16,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:16,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:16,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:16,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:16,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:16,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:16,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:16,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:16,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:16,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:16,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:16,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:15:16,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:16,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:16,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:16,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:16,482 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:16,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2020-09-21 11:15:16,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af108c89e/68da590178e0462aad10dacc27a7576a/FLAG9913e6593 [2020-09-21 11:15:17,183 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:17,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2020-09-21 11:15:17,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af108c89e/68da590178e0462aad10dacc27a7576a/FLAG9913e6593 [2020-09-21 11:15:17,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af108c89e/68da590178e0462aad10dacc27a7576a [2020-09-21 11:15:17,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:17,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:17,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:17,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:17,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:17,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:17" (1/1) ... [2020-09-21 11:15:17,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbadd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:17, skipping insertion in model container [2020-09-21 11:15:17,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:17" (1/1) ... [2020-09-21 11:15:17,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:17,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:17,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:18,004 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:18,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:18,143 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:18,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18 WrapperNode [2020-09-21 11:15:18,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:18,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:18,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:18,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:18,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... [2020-09-21 11:15:18,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:18,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:18,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:18,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:18,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:15:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:15:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:19,468 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:19,468 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:19,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:19 BoogieIcfgContainer [2020-09-21 11:15:19,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:19,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:19,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:19,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:19,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:17" (1/3) ... [2020-09-21 11:15:19,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78289c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:19, skipping insertion in model container [2020-09-21 11:15:19,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:18" (2/3) ... [2020-09-21 11:15:19,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78289c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:19, skipping insertion in model container [2020-09-21 11:15:19,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:19" (3/3) ... [2020-09-21 11:15:19,489 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2020-09-21 11:15:19,501 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:19,514 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:19,531 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:19,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:19,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:19,561 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:19,562 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:19,562 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:19,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:19,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:19,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-09-21 11:15:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:19,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:19,618 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:19,619 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:19,629 INFO L82 PathProgramCache]: Analyzing trace with hash -393031923, now seen corresponding path program 1 times [2020-09-21 11:15:19,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:19,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346078373] [2020-09-21 11:15:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:19,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:19,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:19,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:19,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:19,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:19,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:19,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:15:19,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:20,354 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:20,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:20,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:20,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:20,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:20,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:20,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:20,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:20,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:20,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:20,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:20,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:20,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:20,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:20,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:20,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:20,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:20,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:15:20,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:20,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346078373] [2020-09-21 11:15:20,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:20,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:20,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546931876] [2020-09-21 11:15:20,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:20,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:20,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:20,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:20,665 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-09-21 11:15:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:21,804 INFO L93 Difference]: Finished difference Result 291 states and 375 transitions. [2020-09-21 11:15:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:21,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:21,837 INFO L225 Difference]: With dead ends: 291 [2020-09-21 11:15:21,838 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 11:15:21,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 11:15:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2020-09-21 11:15:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 11:15:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 11:15:21,948 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 59 [2020-09-21 11:15:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:21,949 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 11:15:21,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 11:15:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:21,953 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:21,954 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] [2020-09-21 11:15:21,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:21,954 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:21,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:21,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1952772994, now seen corresponding path program 1 times [2020-09-21 11:15:21,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:21,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16047778] [2020-09-21 11:15:21,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:15:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,335 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:22,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:22,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:22,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:22,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:22,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:22,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:22,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:22,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:22,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:22,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:22,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:22,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:22,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:22,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16047778] [2020-09-21 11:15:22,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:22,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:22,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397085774] [2020-09-21 11:15:22,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:22,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:22,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:22,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:22,455 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 5 states. [2020-09-21 11:15:22,943 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:23,797 INFO L93 Difference]: Finished difference Result 236 states and 287 transitions. [2020-09-21 11:15:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:23,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:23,801 INFO L225 Difference]: With dead ends: 236 [2020-09-21 11:15:23,801 INFO L226 Difference]: Without dead ends: 150 [2020-09-21 11:15:23,803 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 [2020-09-21 11:15:23,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-09-21 11:15:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 123. [2020-09-21 11:15:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:15:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-09-21 11:15:23,838 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 60 [2020-09-21 11:15:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:23,839 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-09-21 11:15:23,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-09-21 11:15:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:15:23,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:23,842 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:23,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:23,842 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:23,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:23,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1943492224, now seen corresponding path program 1 times [2020-09-21 11:15:23,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:23,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432177851] [2020-09-21 11:15:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:23,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:23,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:23,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:23,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:23,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:15:23,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:15:23,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:15:23,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,272 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:24,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:15:24,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:24,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:24,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:15:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:24,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:24,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:24,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:24,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:24,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:24,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:24,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:24,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432177851] [2020-09-21 11:15:24,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:24,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:24,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896823064] [2020-09-21 11:15:24,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:24,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:24,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:24,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:24,485 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 5 states. [2020-09-21 11:15:24,838 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:25,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:25,784 INFO L93 Difference]: Finished difference Result 245 states and 302 transitions. [2020-09-21 11:15:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:15:25,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:15:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:25,789 INFO L225 Difference]: With dead ends: 245 [2020-09-21 11:15:25,789 INFO L226 Difference]: Without dead ends: 150 [2020-09-21 11:15:25,791 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 [2020-09-21 11:15:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-09-21 11:15:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 123. [2020-09-21 11:15:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:15:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-09-21 11:15:25,844 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 64 [2020-09-21 11:15:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:25,845 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-09-21 11:15:25,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-09-21 11:15:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-21 11:15:25,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:25,847 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:25,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:25,848 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash -49364601, now seen corresponding path program 1 times [2020-09-21 11:15:25,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:25,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375781974] [2020-09-21 11:15:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:26,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:26,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:26,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:26,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:26,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:15:26,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:26,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-09-21 11:15:26,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:15:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:15:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:26,950 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:15:27,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:27,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:27,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:27,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:27,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:27,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:27,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:27,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:27,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:27,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:15:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:15:27,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:15:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:27,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:15:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:27,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:15:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:27,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:27,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:27,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:27,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:27,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:27,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:27,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:15:27,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:27,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:27,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:27,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:27,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375781974] [2020-09-21 11:15:27,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:27,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:27,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646094948] [2020-09-21 11:15:27,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:27,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:27,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:27,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:27,247 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 9 states. [2020-09-21 11:15:27,861 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:28,613 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:29,238 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:29,540 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:29,624 INFO L93 Difference]: Finished difference Result 202 states and 252 transitions. [2020-09-21 11:15:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:15:29,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-09-21 11:15:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:29,627 INFO L225 Difference]: With dead ends: 202 [2020-09-21 11:15:29,627 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:29,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:15:29,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:29,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:29,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-09-21 11:15:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:29,631 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:29,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:29,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:29,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:29,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:29,866 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,032 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,197 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,364 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,525 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:30,959 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 13 [2020-09-21 11:15:31,105 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:31,264 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:31,422 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:31,580 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:31,737 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:31,900 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,057 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,221 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,378 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,541 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,716 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:32,875 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,037 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,192 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,349 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,506 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,682 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:33,849 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,005 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,170 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,327 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,494 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,644 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:34,801 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:34,958 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,115 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,268 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,430 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,587 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,740 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:35,991 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 13 [2020-09-21 11:15:36,213 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:36,408 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:36,615 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:36,862 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:37,140 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:37,359 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:37,617 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:37,833 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 11:15:38,036 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:38,239 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:38,478 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:38,685 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:38,908 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:39,137 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:39,374 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:39,590 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:39,831 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:40,049 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 11:15:40,129 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-09-21 11:15:40,129 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:15:40,129 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 433) no Hoare annotation was computed. [2020-09-21 11:15:40,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 387 442) no Hoare annotation was computed. [2020-09-21 11:15:40,129 INFO L268 CegarLoopResult]: For program point L434(lines 411 435) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 387 442) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 387 442) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 479) no Hoare annotation was computed. [2020-09-21 11:15:40,130 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 443 502) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point L469-2(lines 469 494) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point L495(lines 468 496) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 443 502) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 443 502) no Hoare annotation was computed. [2020-09-21 11:15:40,131 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:15:40,132 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-09-21 11:15:40,132 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2020-09-21 11:15:40,132 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2020-09-21 11:15:40,132 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2020-09-21 11:15:40,132 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2020-09-21 11:15:40,132 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2020-09-21 11:15:40,132 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:40,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-09-21 11:15:40,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-09-21 11:15:40,133 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 158 167) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:40,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 158 167) no Hoare annotation was computed. [2020-09-21 11:15:40,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 158 167) no Hoare annotation was computed. [2020-09-21 11:15:40,133 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:15:40,134 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:40,134 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-09-21 11:15:40,134 INFO L268 CegarLoopResult]: For program point L180(lines 180 190) no Hoare annotation was computed. [2020-09-21 11:15:40,134 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-09-21 11:15:40,134 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-09-21 11:15:40,135 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 168 196) the Hoare annotation is: true [2020-09-21 11:15:40,135 INFO L268 CegarLoopResult]: For program point L176(lines 176 193) no Hoare annotation was computed. [2020-09-21 11:15:40,135 INFO L268 CegarLoopResult]: For program point L176-1(lines 168 196) no Hoare annotation was computed. [2020-09-21 11:15:40,135 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-09-21 11:15:40,135 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-09-21 11:15:40,135 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 168 196) no Hoare annotation was computed. [2020-09-21 11:15:40,135 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,136 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,136 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,136 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,136 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 11:15:40,136 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 11:15:40,137 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,137 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,137 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 11:15:40,137 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 11:15:40,137 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:15:40,137 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:40,137 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:15:40,138 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-09-21 11:15:40,139 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-09-21 11:15:40,139 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2020-09-21 11:15:40,140 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2020-09-21 11:15:40,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 341 386) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 341 386) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 341 386) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point L668(lines 668 688) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point L668-1(lines 668 688) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 654 699) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 654 699) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 654 699) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L268 CegarLoopResult]: For program point L674(lines 674 681) no Hoare annotation was computed. [2020-09-21 11:15:40,141 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:40,142 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-09-21 11:15:40,142 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: true [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-09-21 11:15:40,142 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 832 856) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 832 856) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,143 INFO L268 CegarLoopResult]: For program point L851-1(lines 832 856) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,143 INFO L268 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,143 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L268 CegarLoopResult]: For program point L836(lines 836 853) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 798 804) no Hoare annotation was computed. [2020-09-21 11:15:40,143 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 798 804) the Hoare annotation is: true [2020-09-21 11:15:40,143 INFO L264 CegarLoopResult]: At program point testENTRY(lines 701 764) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,144 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point testFINAL(lines 701 764) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:40,144 INFO L264 CegarLoopResult]: At program point L754(lines 711 756) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-09-21 11:15:40,144 INFO L264 CegarLoopResult]: At program point L757(lines 710 758) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,144 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L264 CegarLoopResult]: At program point L747-2(lines 741 752) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point L712(lines 711 756) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point L741(lines 741 752) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point testEXIT(lines 701 764) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 608 653) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 608 653) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 608 653) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point L622(lines 622 642) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 642) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 290 298) no Hoare annotation was computed. [2020-09-21 11:15:40,145 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 290 298) the Hoare annotation is: true [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 290 298) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point L266(lines 266 274) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 258 280) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 258 280) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 258 280) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 505 607) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-21 11:15:40,146 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L593(lines 593 604) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 574) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 505 607) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L575(lines 553 576) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L534(lines 534 550) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L594(lines 594 601) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 505 607) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L555(lines 554 574) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-09-21 11:15:40,147 INFO L268 CegarLoopResult]: For program point L551(lines 551 592) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:15:40,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:15:40,148 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 281 289) the Hoare annotation is: true [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 281 289) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 281 289) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,149 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:40,149 INFO L264 CegarLoopResult]: At program point L785(lines 785 791) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:40,149 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 797) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,150 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 797) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point L778(lines 774 796) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point L776(lines 774 796) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 797) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:15:40,150 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:15:40,150 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:15:40,151 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:15:40,151 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 213 224) the Hoare annotation is: true [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 213 224) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point L217-1(lines 213 224) no Hoare annotation was computed. [2020-09-21 11:15:40,151 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:15:40,152 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:15:40,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,152 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:40,152 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:40,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:40,152 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2020-09-21 11:15:40,152 INFO L268 CegarLoopResult]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2020-09-21 11:15:40,152 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:40,152 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 198 205) no Hoare annotation was computed. [2020-09-21 11:15:40,153 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-09-21 11:15:40,153 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 198 205) the Hoare annotation is: true [2020-09-21 11:15:40,153 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 198 205) no Hoare annotation was computed. [2020-09-21 11:15:40,153 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 806 830) no Hoare annotation was computed. [2020-09-21 11:15:40,153 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 806 830) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,153 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,153 INFO L268 CegarLoopResult]: For program point L825-1(lines 806 830) no Hoare annotation was computed. [2020-09-21 11:15:40,153 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,153 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,153 INFO L268 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-09-21 11:15:40,154 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:40,154 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-09-21 11:15:40,154 INFO L268 CegarLoopResult]: For program point L810(lines 810 827) no Hoare annotation was computed. [2020-09-21 11:15:40,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:40 BoogieIcfgContainer [2020-09-21 11:15:40,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:40,175 INFO L168 Benchmark]: Toolchain (without parser) took 22739.22 ms. Allocated memory was 140.5 MB in the beginning and 504.9 MB in the end (delta: 364.4 MB). Free memory was 100.9 MB in the beginning and 351.7 MB in the end (delta: -250.8 MB). Peak memory consumption was 338.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,176 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 171.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,177 INFO L168 Benchmark]: Boogie Preprocessor took 96.79 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,178 INFO L168 Benchmark]: RCFGBuilder took 1237.24 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.7 MB in the beginning and 192.0 MB in the end (delta: -25.3 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,179 INFO L168 Benchmark]: TraceAbstraction took 20692.75 ms. Allocated memory was 234.9 MB in the beginning and 504.9 MB in the end (delta: 270.0 MB). Free memory was 192.0 MB in the beginning and 351.7 MB in the end (delta: -159.7 MB). Peak memory consumption was 335.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:40,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 171.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.79 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.24 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.7 MB in the beginning and 192.0 MB in the end (delta: -25.3 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20692.75 ms. Allocated memory was 234.9 MB in the beginning and 504.9 MB in the end (delta: 270.0 MB). Free memory was 192.0 MB in the beginning and 351.7 MB in the end (delta: -159.7 MB). Peak memory consumption was 335.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 711]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 496 SDslu, 211 SDs, 0 SdLazy, 773 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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, 4 MinimizatonAttempts, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 242 PreInvPairs, 259 NumberOfFragments, 691 HoareAnnotationTreeSize, 242 FomulaSimplifications, 7922 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5198 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 75430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...