/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:49,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:49,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:49,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:49,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:49,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:49,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:49,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:49,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:49,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:49,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:49,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:49,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:49,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:49,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:49,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:49,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:49,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:49,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:49,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:49,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:49,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:49,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:49,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:49,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:49,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:49,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:49,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:49,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:49,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:49,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:49,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:49,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:49,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:49,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:49,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:49,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:49,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:49,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:49,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:49,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:49,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:49,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:49,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:49,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:49,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:49,891 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:49,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:49,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:49,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:49,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:49,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:49,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:49,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:49,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:49,893 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:49,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:49,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:49,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:49,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:49,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:49,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:49,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:49,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:49,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:49,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:49,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:49,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:49,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:49,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:49,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:49,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:50,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:50,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:50,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:50,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:50,366 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:50,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-09-21 12:05:50,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a237aaac7/77570db50ff040b2812179373911361d/FLAG8f9d3a948 [2020-09-21 12:05:51,110 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:51,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-09-21 12:05:51,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a237aaac7/77570db50ff040b2812179373911361d/FLAG8f9d3a948 [2020-09-21 12:05:51,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a237aaac7/77570db50ff040b2812179373911361d [2020-09-21 12:05:51,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:51,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:51,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:51,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:51,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:51,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:51" (1/1) ... [2020-09-21 12:05:51,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:51, skipping insertion in model container [2020-09-21 12:05:51,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:51" (1/1) ... [2020-09-21 12:05:51,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:51,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:51,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:51,950 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:52,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:52,137 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:52,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52 WrapperNode [2020-09-21 12:05:52,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:52,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:52,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:52,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:52,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... [2020-09-21 12:05:52,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:52,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:52,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:52,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:52,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:05:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:05:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:05:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:53,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:53,434 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:53,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:53 BoogieIcfgContainer [2020-09-21 12:05:53,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:53,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:53,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:53,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:53,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:51" (1/3) ... [2020-09-21 12:05:53,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a5e1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:53, skipping insertion in model container [2020-09-21 12:05:53,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:52" (2/3) ... [2020-09-21 12:05:53,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a5e1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:53, skipping insertion in model container [2020-09-21 12:05:53,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:53" (3/3) ... [2020-09-21 12:05:53,449 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2020-09-21 12:05:53,461 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:53,471 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:53,494 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:53,525 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:53,526 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:53,526 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:53,526 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:53,526 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:53,526 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:53,526 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:53,526 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-09-21 12:05:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:53,562 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:53,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:53,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:53,570 INFO L82 PathProgramCache]: Analyzing trace with hash 118320894, now seen corresponding path program 1 times [2020-09-21 12:05:53,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:53,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171065316] [2020-09-21 12:05:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:55,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:55,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-09-21 12:05:55,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:05:55,566 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:55,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:05:55,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:55,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:55,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:55,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:55,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:55,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:55,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:55,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:55,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:55,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:55,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:55,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:55,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171065316] [2020-09-21 12:05:55,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:55,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:55,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986800505] [2020-09-21 12:05:55,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:55,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:55,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:55,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:55,763 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-09-21 12:05:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:56,922 INFO L93 Difference]: Finished difference Result 279 states and 370 transitions. [2020-09-21 12:05:56,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:56,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:56,941 INFO L225 Difference]: With dead ends: 279 [2020-09-21 12:05:56,942 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 12:05:56,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:56,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 12:05:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 12:05:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 12:05:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-09-21 12:05:57,048 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 46 [2020-09-21 12:05:57,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:57,048 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-09-21 12:05:57,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-09-21 12:05:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:57,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:57,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:57,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:57,054 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:57,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:57,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1322865841, now seen corresponding path program 1 times [2020-09-21 12:05:57,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:57,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335460885] [2020-09-21 12:05:57,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:58,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:05:58,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,403 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:58,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:05:58,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:58,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:58,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:58,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:58,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:58,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:58,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:58,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:58,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:58,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:58,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335460885] [2020-09-21 12:05:58,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:58,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:58,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606157667] [2020-09-21 12:05:58,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:58,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:58,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:58,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:58,550 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 4 states. [2020-09-21 12:05:59,052 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:59,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:59,853 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2020-09-21 12:05:59,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:59,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:59,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:59,856 INFO L225 Difference]: With dead ends: 212 [2020-09-21 12:05:59,857 INFO L226 Difference]: Without dead ends: 135 [2020-09-21 12:05:59,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-09-21 12:05:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-09-21 12:05:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 12:05:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-09-21 12:05:59,899 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-09-21 12:05:59,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:59,900 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-09-21 12:05:59,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-09-21 12:05:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:05:59,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:59,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:59,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:59,903 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:59,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:59,903 INFO L82 PathProgramCache]: Analyzing trace with hash -847724257, now seen corresponding path program 1 times [2020-09-21 12:05:59,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:59,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362890781] [2020-09-21 12:05:59,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:06:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-09-21 12:06:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:00,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:06:00,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,267 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:01,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-21 12:06:01,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:01,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:01,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:01,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:01,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:01,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:01,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:06:01,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:01,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:06:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:01,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:01,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:06:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:01,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:01,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:01,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:01,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:01,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362890781] [2020-09-21 12:06:01,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:01,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:01,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087354062] [2020-09-21 12:06:01,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:01,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:01,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:01,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:01,504 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-09-21 12:06:01,884 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:02,723 INFO L93 Difference]: Finished difference Result 221 states and 275 transitions. [2020-09-21 12:06:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:02,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:06:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:02,727 INFO L225 Difference]: With dead ends: 221 [2020-09-21 12:06:02,727 INFO L226 Difference]: Without dead ends: 135 [2020-09-21 12:06:02,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-09-21 12:06:02,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-09-21 12:06:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 12:06:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2020-09-21 12:06:02,769 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 51 [2020-09-21 12:06:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:02,769 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2020-09-21 12:06:02,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2020-09-21 12:06:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 12:06:02,773 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:02,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:02,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:06:02,773 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:02,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:02,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1105305389, now seen corresponding path program 1 times [2020-09-21 12:06:02,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:02,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857067352] [2020-09-21 12:06:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:02,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:03,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:03,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:03,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:03,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:06:03,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:06:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:06:03,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:06:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-09-21 12:06:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:06:03,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,115 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:04,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:06:04,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:04,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:04,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:04,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:04,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:06:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:06:04,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:06:04,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:06:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:06:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:06:04,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:06:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:04,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:04,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:06:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:04,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:04,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:06:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:04,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:04,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:04,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:04,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857067352] [2020-09-21 12:06:04,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:04,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:06:04,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761061718] [2020-09-21 12:06:04,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:06:04,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:04,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:06:04,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:06:04,370 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 8 states. [2020-09-21 12:06:04,794 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:05,729 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,060 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,368 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:06,500 INFO L93 Difference]: Finished difference Result 177 states and 218 transitions. [2020-09-21 12:06:06,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:06:06,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-09-21 12:06:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:06,504 INFO L225 Difference]: With dead ends: 177 [2020-09-21 12:06:06,504 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:06:06,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:06:06,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:06:06,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:06:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:06:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:06:06,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 12:06:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:06,507 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:06:06,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:06:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:06:06,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:06:06,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:06:06,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:06:06,701 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,876 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,053 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,232 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,402 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,573 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,839 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:08,113 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:08,260 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:08,403 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:08,553 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,706 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,864 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,030 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,185 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,345 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,511 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,662 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,811 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,961 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,125 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:10,275 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,427 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,570 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:10,817 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:11,060 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:11,228 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:11,381 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:11,530 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:11,683 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:11,831 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:11,996 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:12,151 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:12,316 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:12,452 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:12,604 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:12,755 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:12,963 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:13,160 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:13,385 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:13,583 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:13,741 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:14,009 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:14,222 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:14,429 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:14,682 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:14,910 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:06:15,164 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:15,393 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:06:15,624 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:15,837 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:16,055 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:16,259 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:16,444 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:16,718 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 12:06:16,732 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:16,732 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:06:16,733 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:06:16,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:16,734 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:16,734 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:16,734 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:06:16,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:16,735 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 12:06:16,735 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:16,735 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 12:06:16,736 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 650 656) the Hoare annotation is: true [2020-09-21 12:06:16,736 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 650 656) no Hoare annotation was computed. [2020-09-21 12:06:16,736 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 657 665) no Hoare annotation was computed. [2020-09-21 12:06:16,736 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 657 665) the Hoare annotation is: true [2020-09-21 12:06:16,736 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 657 665) no Hoare annotation was computed. [2020-09-21 12:06:16,736 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-09-21 12:06:16,737 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,737 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,737 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-09-21 12:06:16,737 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-09-21 12:06:16,756 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-09-21 12:06:16,756 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:06:16,756 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,757 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,757 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-09-21 12:06:16,757 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 12:06:16,758 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 847 855) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 847 855) the Hoare annotation is: true [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 847 855) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 892 910) the Hoare annotation is: true [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 892 910) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L271 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: true [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point L901-2(lines 901 905) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point L899-1(line 899) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 892 910) no Hoare annotation was computed. [2020-09-21 12:06:16,759 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point L863-2(lines 863 871) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point L886-1(line 886) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 856 891) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point L875(lines 875 883) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point L875-2(lines 875 883) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 856 891) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 856 891) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 643 649) no Hoare annotation was computed. [2020-09-21 12:06:16,760 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 643 649) the Hoare annotation is: true [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:16,761 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:16,762 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:16,762 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,762 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-09-21 12:06:16,762 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-09-21 12:06:16,762 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 836 846) the Hoare annotation is: true [2020-09-21 12:06:16,762 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 836 846) no Hoare annotation was computed. [2020-09-21 12:06:16,762 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 836 846) no Hoare annotation was computed. [2020-09-21 12:06:16,763 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 828 835) the Hoare annotation is: true [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 828 835) no Hoare annotation was computed. [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 828 835) no Hoare annotation was computed. [2020-09-21 12:06:16,763 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-09-21 12:06:16,763 INFO L268 CegarLoopResult]: For program point L799(lines 799 816) no Hoare annotation was computed. [2020-09-21 12:06:16,764 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 795 819) no Hoare annotation was computed. [2020-09-21 12:06:16,764 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 795 819) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,764 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,764 INFO L268 CegarLoopResult]: For program point L814-1(lines 795 819) no Hoare annotation was computed. [2020-09-21 12:06:16,764 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,764 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,764 INFO L268 CegarLoopResult]: For program point L803(lines 803 811) no Hoare annotation was computed. [2020-09-21 12:06:16,765 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 761 767) no Hoare annotation was computed. [2020-09-21 12:06:16,765 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 761 767) the Hoare annotation is: true [2020-09-21 12:06:16,765 INFO L264 CegarLoopResult]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,765 INFO L268 CegarLoopResult]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2020-09-21 12:06:16,765 INFO L264 CegarLoopResult]: At program point L723(lines 676 724) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,765 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-09-21 12:06:16,765 INFO L264 CegarLoopResult]: At program point L713-2(lines 707 718) 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 12:06:16,766 INFO L268 CegarLoopResult]: For program point L678(lines 677 722) no Hoare annotation was computed. [2020-09-21 12:06:16,766 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-09-21 12:06:16,766 INFO L264 CegarLoopResult]: At program point L699(line 699) 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 12:06:16,766 INFO L268 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-09-21 12:06:16,766 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2020-09-21 12:06:16,766 INFO L264 CegarLoopResult]: At program point L689(line 689) 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 12:06:16,767 INFO L264 CegarLoopResult]: At program point L720(lines 677 722) 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 12:06:16,767 INFO L268 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:16,767 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 622 630) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 622 630) the Hoare annotation is: true [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 622 630) no Hoare annotation was computed. [2020-09-21 12:06:16,768 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 590 612) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 590 612) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 590 612) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:16,769 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:16,770 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 12:06:16,771 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 633 642) no Hoare annotation was computed. [2020-09-21 12:06:16,772 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 633 642) no Hoare annotation was computed. [2020-09-21 12:06:16,772 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 633 642) no Hoare annotation was computed. [2020-09-21 12:06:16,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,777 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:16,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,777 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 820 827) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 827) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 827) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 613 621) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 613 621) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 613 621) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,778 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,779 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-09-21 12:06:16,779 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 569 580) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:16,779 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-09-21 12:06:16,779 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 581 589) the Hoare annotation is: true [2020-09-21 12:06:16,779 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 581 589) no Hoare annotation was computed. [2020-09-21 12:06:16,779 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 581 589) no Hoare annotation was computed. [2020-09-21 12:06:16,779 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,780 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,780 INFO L264 CegarLoopResult]: At program point L748(lines 748 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,780 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2020-09-21 12:06:16,780 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,780 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2020-09-21 12:06:16,780 INFO L268 CegarLoopResult]: For program point L741(lines 740 759) no Hoare annotation was computed. [2020-09-21 12:06:16,781 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:06:16,781 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-09-21 12:06:16,781 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-09-21 12:06:16,781 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-09-21 12:06:16,782 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-09-21 12:06:16,782 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 12:06:16,782 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-09-21 12:06:16,782 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:06:16,782 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-09-21 12:06:16,782 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-09-21 12:06:16,782 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 545 556) the Hoare annotation is: true [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 545 556) no Hoare annotation was computed. [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point L549-1(lines 545 556) no Hoare annotation was computed. [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-09-21 12:06:16,783 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,783 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:16,783 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,783 INFO L268 CegarLoopResult]: For program point L561-1(lines 557 568) no Hoare annotation was computed. [2020-09-21 12:06:16,784 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 557 568) no Hoare annotation was computed. [2020-09-21 12:06:16,784 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 557 568) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:06:16,785 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2020-09-21 12:06:16,785 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2020-09-21 12:06:16,785 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2020-09-21 12:06:16,785 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2020-09-21 12:06:16,785 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-09-21 12:06:16,785 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-09-21 12:06:16,785 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-09-21 12:06:16,786 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-09-21 12:06:16,786 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-09-21 12:06:16,786 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-09-21 12:06:16,787 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,787 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-09-21 12:06:16,787 INFO L271 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: true [2020-09-21 12:06:16,787 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-09-21 12:06:16,787 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 769 793) no Hoare annotation was computed. [2020-09-21 12:06:16,787 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 769 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,787 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,788 INFO L268 CegarLoopResult]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2020-09-21 12:06:16,788 INFO L264 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,788 INFO L264 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,788 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-09-21 12:06:16,788 INFO L264 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,788 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-09-21 12:06:16,788 INFO L268 CegarLoopResult]: For program point L773(lines 773 790) no Hoare annotation was computed. [2020-09-21 12:06:16,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:16 BoogieIcfgContainer [2020-09-21 12:06:16,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:16,816 INFO L168 Benchmark]: Toolchain (without parser) took 25447.63 ms. Allocated memory was 138.4 MB in the beginning and 558.4 MB in the end (delta: 420.0 MB). Free memory was 99.7 MB in the beginning and 510.5 MB in the end (delta: -410.9 MB). Peak memory consumption was 396.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,818 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.0 MB in the beginning and 171.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,828 INFO L168 Benchmark]: Boogie Preprocessor took 97.99 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,832 INFO L168 Benchmark]: RCFGBuilder took 1203.45 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.5 MB in the beginning and 198.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,833 INFO L168 Benchmark]: TraceAbstraction took 23372.12 ms. Allocated memory was 233.3 MB in the beginning and 558.4 MB in the end (delta: 325.1 MB). Free memory was 198.4 MB in the beginning and 510.5 MB in the end (delta: -312.1 MB). Peak memory consumption was 400.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.0 MB in the beginning and 171.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.99 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.45 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.5 MB in the beginning and 198.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23372.12 ms. Allocated memory was 233.3 MB in the beginning and 558.4 MB in the end (delta: 325.1 MB). Free memory was 198.4 MB in the beginning and 510.5 MB in the end (delta: -312.1 MB). Peak memory consumption was 400.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 676]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 447 SDslu, 95 SDs, 0 SdLazy, 636 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred 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, 56 LocationsWithAnnotation, 225 PreInvPairs, 239 NumberOfFragments, 632 HoareAnnotationTreeSize, 225 FomulaSimplifications, 6072 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 5115 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 52668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...