/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:37:14,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:37:14,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:37:14,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:37:14,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:37:14,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:37:14,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:37:14,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:37:14,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:37:14,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:37:14,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:37:14,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:37:14,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:37:14,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:37:14,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:37:14,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:37:14,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:37:14,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:37:14,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:37:14,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:37:14,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:37:14,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:37:14,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:37:14,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:37:14,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:37:14,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:37:14,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:37:14,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:37:14,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:37:14,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:37:14,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:37:14,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:37:14,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:37:14,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:37:14,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:37:14,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:37:14,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:37:14,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:37:14,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:37:14,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:37:14,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:37:14,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:37:14,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:37:14,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:37:14,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:37:14,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:37:14,839 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:37:14,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:37:14,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:37:14,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:37:14,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:37:14,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:37:14,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:37:14,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:37:14,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:37:14,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:37:14,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:37:14,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:37:14,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:37:14,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:37:14,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:37:14,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:37:14,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:37:14,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:37:14,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:37:14,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:37:14,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:37:14,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:37:14,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:37:14,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:37:14,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:37:14,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:37:15,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:37:15,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:37:15,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:37:15,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:37:15,200 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:37:15,201 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-17 11:37:15,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ecd9443f/8f45c61f3c7e49589425cf1aaa93dbf8/FLAG3a96af036 [2020-07-17 11:37:15,797 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:37:15,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-17 11:37:15,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ecd9443f/8f45c61f3c7e49589425cf1aaa93dbf8/FLAG3a96af036 [2020-07-17 11:37:16,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ecd9443f/8f45c61f3c7e49589425cf1aaa93dbf8 [2020-07-17 11:37:16,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:37:16,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:37:16,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:16,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:37:16,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:37:16,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd6ab9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16, skipping insertion in model container [2020-07-17 11:37:16,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:37:16,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:37:16,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:16,670 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:37:16,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:16,781 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:37:16,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16 WrapperNode [2020-07-17 11:37:16,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:16,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:37:16,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:37:16,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:37:16,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... [2020-07-17 11:37:16,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:37:16,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:37:16,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:37:16,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:37:16,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 11:37:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:37:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:37:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:37:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:37:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:37:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:37:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:37:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:37:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:37:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:37:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:37:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:37:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:37:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:37:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:37:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:37:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:37:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:37:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:37:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:37:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:37:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:37:18,148 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:37:18,148 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:37:18,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:18 BoogieIcfgContainer [2020-07-17 11:37:18,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:37:18,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:37:18,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:37:18,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:37:18,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:37:16" (1/3) ... [2020-07-17 11:37:18,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65447f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:18, skipping insertion in model container [2020-07-17 11:37:18,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:16" (2/3) ... [2020-07-17 11:37:18,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65447f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:18, skipping insertion in model container [2020-07-17 11:37:18,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:18" (3/3) ... [2020-07-17 11:37:18,171 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-07-17 11:37:18,182 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:37:18,192 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:37:18,204 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:37:18,227 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:37:18,227 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:37:18,228 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:37:18,228 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:37:18,228 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:37:18,228 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:37:18,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:37:18,229 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:37:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-17 11:37:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:37:18,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:18,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:18,264 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:18,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:18,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-07-17 11:37:18,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:18,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618858890] [2020-07-17 11:37:18,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:18,986 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:19,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618858890] [2020-07-17 11:37:19,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:19,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:37:19,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052693751] [2020-07-17 11:37:19,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:37:19,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:37:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:19,200 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 4 states. [2020-07-17 11:37:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:20,355 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2020-07-17 11:37:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:37:20,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:37:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:20,381 INFO L225 Difference]: With dead ends: 308 [2020-07-17 11:37:20,382 INFO L226 Difference]: Without dead ends: 170 [2020-07-17 11:37:20,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-17 11:37:20,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2020-07-17 11:37:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-17 11:37:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-07-17 11:37:20,516 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-07-17 11:37:20,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:20,517 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-07-17 11:37:20,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:37:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-07-17 11:37:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:37:20,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:20,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:20,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:37:20,521 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:20,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-07-17 11:37:20,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:20,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882349391] [2020-07-17 11:37:20,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,810 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:20,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882349391] [2020-07-17 11:37:20,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:20,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:37:20,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953187768] [2020-07-17 11:37:20,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:37:20,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:20,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:37:20,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:37:20,916 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 5 states. [2020-07-17 11:37:21,393 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:22,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:22,236 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2020-07-17 11:37:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:37:22,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:37:22,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:22,240 INFO L225 Difference]: With dead ends: 244 [2020-07-17 11:37:22,240 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:37:22,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:22,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:37:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2020-07-17 11:37:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-17 11:37:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-07-17 11:37:22,276 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-07-17 11:37:22,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:22,277 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-07-17 11:37:22,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:37:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-07-17 11:37:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:37:22,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:22,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:22,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:37:22,280 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-07-17 11:37:22,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:22,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511509289] [2020-07-17 11:37:22,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,596 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:22,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511509289] [2020-07-17 11:37:22,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:22,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:22,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999857538] [2020-07-17 11:37:22,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:22,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:22,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:22,696 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 9 states. [2020-07-17 11:37:23,162 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:23,468 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:23,703 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:23,969 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:24,888 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:26,458 INFO L93 Difference]: Finished difference Result 435 states and 529 transitions. [2020-07-17 11:37:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:37:26,459 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-17 11:37:26,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:26,465 INFO L225 Difference]: With dead ends: 435 [2020-07-17 11:37:26,465 INFO L226 Difference]: Without dead ends: 333 [2020-07-17 11:37:26,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:37:26,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-07-17 11:37:26,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 268. [2020-07-17 11:37:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-17 11:37:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2020-07-17 11:37:26,533 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2020-07-17 11:37:26,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:26,534 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2020-07-17 11:37:26,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2020-07-17 11:37:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:37:26,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:26,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:26,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:37:26,537 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:26,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:26,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2020-07-17 11:37:26,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:26,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033828460] [2020-07-17 11:37:26,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,823 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:37:26,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033828460] [2020-07-17 11:37:26,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:26,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:26,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128665359] [2020-07-17 11:37:26,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:26,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:26,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:26,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:26,923 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 9 states. [2020-07-17 11:37:27,277 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:27,931 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:28,827 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:29,102 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:29,402 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:29,672 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:30,126 INFO L93 Difference]: Finished difference Result 679 states and 862 transitions. [2020-07-17 11:37:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:37:30,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-17 11:37:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:30,135 INFO L225 Difference]: With dead ends: 679 [2020-07-17 11:37:30,135 INFO L226 Difference]: Without dead ends: 439 [2020-07-17 11:37:30,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:37:30,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-17 11:37:30,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 379. [2020-07-17 11:37:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-17 11:37:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 451 transitions. [2020-07-17 11:37:30,241 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 451 transitions. Word has length 70 [2020-07-17 11:37:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:30,241 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 451 transitions. [2020-07-17 11:37:30,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 451 transitions. [2020-07-17 11:37:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-17 11:37:30,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:30,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:30,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:37:30,244 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:30,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:30,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-07-17 11:37:30,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:30,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558641527] [2020-07-17 11:37:30,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,514 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:30,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558641527] [2020-07-17 11:37:30,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:30,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:30,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5939191] [2020-07-17 11:37:30,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:30,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:30,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:30,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:30,682 INFO L87 Difference]: Start difference. First operand 379 states and 451 transitions. Second operand 9 states. [2020-07-17 11:37:31,169 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:32,162 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:32,409 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:32,670 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:32,916 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:34,167 INFO L93 Difference]: Finished difference Result 1185 states and 1563 transitions. [2020-07-17 11:37:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:37:34,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-17 11:37:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:34,175 INFO L225 Difference]: With dead ends: 1185 [2020-07-17 11:37:34,175 INFO L226 Difference]: Without dead ends: 834 [2020-07-17 11:37:34,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-07-17 11:37:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 717. [2020-07-17 11:37:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-17 11:37:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 858 transitions. [2020-07-17 11:37:34,315 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 858 transitions. Word has length 102 [2020-07-17 11:37:34,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:34,315 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 858 transitions. [2020-07-17 11:37:34,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:34,316 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 858 transitions. [2020-07-17 11:37:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-17 11:37:34,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:34,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:34,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:37:34,320 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-07-17 11:37:34,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:34,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690117271] [2020-07-17 11:37:34,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,571 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:34,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690117271] [2020-07-17 11:37:34,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:34,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:34,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82436801] [2020-07-17 11:37:34,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:34,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:34,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:34,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:34,708 INFO L87 Difference]: Start difference. First operand 717 states and 858 transitions. Second operand 9 states. [2020-07-17 11:37:35,812 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:36,085 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:36,333 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:36,569 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:37,243 INFO L93 Difference]: Finished difference Result 1536 states and 1964 transitions. [2020-07-17 11:37:37,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:37:37,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-17 11:37:37,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:37,255 INFO L225 Difference]: With dead ends: 1536 [2020-07-17 11:37:37,255 INFO L226 Difference]: Without dead ends: 847 [2020-07-17 11:37:37,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:37,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-07-17 11:37:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 737. [2020-07-17 11:37:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-07-17 11:37:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 878 transitions. [2020-07-17 11:37:37,479 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 878 transitions. Word has length 102 [2020-07-17 11:37:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:37,480 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 878 transitions. [2020-07-17 11:37:37,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 878 transitions. [2020-07-17 11:37:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-17 11:37:37,485 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:37,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:37,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:37:37,487 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-07-17 11:37:37,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:37,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278918144] [2020-07-17 11:37:37,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,883 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:38,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278918144] [2020-07-17 11:37:38,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:38,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:37:38,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660903970] [2020-07-17 11:37:38,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:37:38,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:38,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:37:38,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:37:38,046 INFO L87 Difference]: Start difference. First operand 737 states and 878 transitions. Second operand 11 states. [2020-07-17 11:37:38,783 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:39,097 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:39,322 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:40,001 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:40,246 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:40,489 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:41,400 INFO L93 Difference]: Finished difference Result 1360 states and 1702 transitions. [2020-07-17 11:37:41,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:37:41,401 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-07-17 11:37:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:41,408 INFO L225 Difference]: With dead ends: 1360 [2020-07-17 11:37:41,408 INFO L226 Difference]: Without dead ends: 651 [2020-07-17 11:37:41,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-07-17 11:37:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 578. [2020-07-17 11:37:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-07-17 11:37:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 674 transitions. [2020-07-17 11:37:41,513 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 674 transitions. Word has length 102 [2020-07-17 11:37:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:41,513 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 674 transitions. [2020-07-17 11:37:41,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:37:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 674 transitions. [2020-07-17 11:37:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-17 11:37:41,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:41,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:41,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:37:41,517 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:41,518 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-07-17 11:37:41,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:41,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202058275] [2020-07-17 11:37:41,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,961 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:42,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202058275] [2020-07-17 11:37:42,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:42,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:37:42,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773385900] [2020-07-17 11:37:42,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:37:42,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:42,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:37:42,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:37:42,137 INFO L87 Difference]: Start difference. First operand 578 states and 674 transitions. Second operand 12 states. [2020-07-17 11:37:42,582 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:43,235 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:43,866 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:44,193 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:44,430 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:44,724 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:44,976 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:46,314 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:46,571 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:47,170 INFO L93 Difference]: Finished difference Result 1691 states and 2129 transitions. [2020-07-17 11:37:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:37:47,171 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-07-17 11:37:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:47,178 INFO L225 Difference]: With dead ends: 1691 [2020-07-17 11:37:47,179 INFO L226 Difference]: Without dead ends: 1313 [2020-07-17 11:37:47,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:37:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2020-07-17 11:37:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1197. [2020-07-17 11:37:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-07-17 11:37:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1399 transitions. [2020-07-17 11:37:47,369 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1399 transitions. Word has length 106 [2020-07-17 11:37:47,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:47,371 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1399 transitions. [2020-07-17 11:37:47,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:37:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1399 transitions. [2020-07-17 11:37:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 11:37:47,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:47,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:47,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:37:47,376 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:47,377 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2020-07-17 11:37:47,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:47,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021562313] [2020-07-17 11:37:47,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,679 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 11:37:47,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021562313] [2020-07-17 11:37:47,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087180914] [2020-07-17 11:37:47,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:37:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:48,253 INFO L264 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:37:48,276 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:37:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:37:48,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:37:48,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:37:48,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503549704] [2020-07-17 11:37:48,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:37:48,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:48,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:37:48,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:37:48,473 INFO L87 Difference]: Start difference. First operand 1197 states and 1399 transitions. Second operand 20 states. [2020-07-17 11:37:49,007 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:49,338 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:49,610 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:49,867 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:50,701 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-17 11:37:50,990 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 11:37:51,335 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:51,807 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 11:37:52,099 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:37:53,230 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:53,765 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:54,103 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:54,489 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:55,022 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:55,622 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:55,872 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:56,169 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:37:56,480 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:37:57,017 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:57,544 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:57,880 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:58,191 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:58,517 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-17 11:37:58,829 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:37:58,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:58,979 INFO L93 Difference]: Finished difference Result 2269 states and 2751 transitions. [2020-07-17 11:37:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-17 11:37:58,980 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-07-17 11:37:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:58,988 INFO L225 Difference]: With dead ends: 2269 [2020-07-17 11:37:58,988 INFO L226 Difference]: Without dead ends: 1266 [2020-07-17 11:37:58,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=932, Invalid=4038, Unknown=0, NotChecked=0, Total=4970 [2020-07-17 11:37:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-07-17 11:37:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1127. [2020-07-17 11:37:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-07-17 11:37:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1301 transitions. [2020-07-17 11:37:59,198 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1301 transitions. Word has length 149 [2020-07-17 11:37:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:59,199 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1301 transitions. [2020-07-17 11:37:59,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:37:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1301 transitions. [2020-07-17 11:37:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-17 11:37:59,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:59,205 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:59,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:37:59,421 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:59,422 INFO L82 PathProgramCache]: Analyzing trace with hash -222710156, now seen corresponding path program 1 times [2020-07-17 11:37:59,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:59,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882092973] [2020-07-17 11:37:59,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,770 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-17 11:38:00,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882092973] [2020-07-17 11:38:00,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685536673] [2020-07-17 11:38:00,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,463 INFO L264 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 11:38:00,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-07-17 11:38:00,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:38:00,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-17 11:38:00,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800492473] [2020-07-17 11:38:00,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:38:00,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:00,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:38:00,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:38:00,711 INFO L87 Difference]: Start difference. First operand 1127 states and 1301 transitions. Second operand 3 states. [2020-07-17 11:38:00,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:00,947 INFO L93 Difference]: Finished difference Result 1357 states and 1579 transitions. [2020-07-17 11:38:00,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:38:00,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-07-17 11:38:00,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:00,949 INFO L225 Difference]: With dead ends: 1357 [2020-07-17 11:38:00,949 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:38:00,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:38:00,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:38:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:38:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:38:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:38:00,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2020-07-17 11:38:00,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:00,956 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:38:00,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:38:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:38:00,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:38:01,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:38:01,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:38:02,237 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 233 [2020-07-17 11:38:03,283 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2020-07-17 11:38:05,094 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 230 [2020-07-17 11:38:05,389 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 234 [2020-07-17 11:38:05,979 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 228 [2020-07-17 11:38:06,175 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-17 11:38:06,815 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 26 [2020-07-17 11:38:06,971 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:38:07,135 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-17 11:38:07,784 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 32 [2020-07-17 11:38:07,915 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-17 11:38:08,082 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-17 11:38:08,245 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-17 11:38:09,038 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 33 [2020-07-17 11:38:09,178 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-07-17 11:38:09,398 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:09,567 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:38:09,824 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-07-17 11:38:09,995 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:38:10,137 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-17 11:38:11,148 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 198 DAG size of output: 42 [2020-07-17 11:38:11,297 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-17 11:38:12,225 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 33 [2020-07-17 11:38:12,773 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-17 11:38:12,935 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-17 11:38:13,851 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-17 11:38:14,199 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-17 11:38:15,146 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-07-17 11:38:15,293 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:38:15,597 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-07-17 11:38:16,179 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-07-17 11:38:16,355 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:38:16,539 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:38:16,695 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-17 11:38:16,887 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2020-07-17 11:38:17,047 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:38:17,232 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:38:17,667 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-07-17 11:38:17,816 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-17 11:38:18,173 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-17 11:38:18,782 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-07-17 11:38:19,305 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-07-17 11:38:19,470 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-17 11:38:19,800 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2020-07-17 11:38:19,995 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 11:38:21,222 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 184 DAG size of output: 35 [2020-07-17 11:38:21,658 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-07-17 11:38:21,853 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 11:38:22,077 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:38:22,082 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:38:22,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:38:22,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:38:22,084 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:38:22,084 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:38:22,087 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:38:22,087 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:38:22,087 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:38:22,087 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:38:22,087 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:38:22,088 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:38:22,088 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:38:22,088 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:38:22,088 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-07-17 11:38:22,088 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-07-17 11:38:22,088 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-07-17 11:38:22,089 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-07-17 11:38:22,089 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-07-17 11:38:22,089 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,089 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-07-17 11:38:22,090 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-07-17 11:38:22,090 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse0 .cse3))) [2020-07-17 11:38:22,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-07-17 11:38:22,091 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-17 11:38:22,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-07-17 11:38:22,091 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-07-17 11:38:22,091 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-07-17 11:38:22,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-07-17 11:38:22,092 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 0 ~systemActive~0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:38:22,092 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-07-17 11:38:22,092 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-17 11:38:22,092 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-17 11:38:22,092 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-17 11:38:22,092 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-07-17 11:38:22,093 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-07-17 11:38:22,093 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-07-17 11:38:22,093 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,093 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-17 11:38:22,093 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:38:22,093 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:38:22,094 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-17 11:38:22,094 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-17 11:38:22,094 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-17 11:38:22,094 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,094 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,094 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,095 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-17 11:38:22,095 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 11:38:22,095 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 11:38:22,095 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:38:22,095 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-17 11:38:22,096 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 11:38:22,097 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-17 11:38:22,097 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-17 11:38:22,097 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-07-17 11:38:22,097 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0)) (or (not (= 1 ~waterLevel~0)) .cse2) (or .cse2 (not (= 0 |old(~systemActive~0)|))) (or .cse3 .cse2) (or .cse0 .cse1 .cse3))) [2020-07-17 11:38:22,097 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-07-17 11:38:22,098 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse5 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (= 0 ~pumpRunning~0))) (.cse3 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse4 (= 0 ~switchedOnBeforeTS~0)) (or .cse1 (not (= 0 |old(~systemActive~0)|)) .cse2) (or .cse3 .cse4 .cse0)))) [2020-07-17 11:38:22,098 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-07-17 11:38:22,098 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-07-17 11:38:22,098 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-07-17 11:38:22,098 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-07-17 11:38:22,098 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-07-17 11:38:22,098 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-07-17 11:38:22,099 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:38:22,100 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:38:22,101 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:38:22,101 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:38:22,101 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,101 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,101 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-17 11:38:22,101 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-17 11:38:22,101 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-07-17 11:38:22,102 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-07-17 11:38:22,102 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-07-17 11:38:22,102 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-17 11:38:22,102 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-17 11:38:22,102 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 .cse0 (= 0 ~switchedOnBeforeTS~0)))) [2020-07-17 11:38:22,102 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-07-17 11:38:22,103 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-07-17 11:38:22,103 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-07-17 11:38:22,104 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-07-17 11:38:22,104 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-07-17 11:38:22,104 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-07-17 11:38:22,105 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-17 11:38:22,105 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:38:22,105 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-07-17 11:38:22,105 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-17 11:38:22,105 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-17 11:38:22,105 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-07-17 11:38:22,105 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-07-17 11:38:22,106 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-17 11:38:22,106 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:38:22,106 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-07-17 11:38:22,106 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-07-17 11:38:22,106 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-07-17 11:38:22,106 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1))) [2020-07-17 11:38:22,106 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,107 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-17 11:38:22,107 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-07-17 11:38:22,107 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-17 11:38:22,107 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-17 11:38:22,107 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-07-17 11:38:22,107 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-17 11:38:22,107 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-07-17 11:38:22,108 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-17 11:38:22,108 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:38:22,108 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3) (and .cse0 .cse3 .cse2))) [2020-07-17 11:38:22,108 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-17 11:38:22,108 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3))) [2020-07-17 11:38:22,108 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-07-17 11:38:22,108 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-07-17 11:38:22,108 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:38:22,109 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-07-17 11:38:22,110 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:38:22,111 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:38:22,112 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:38:22,112 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:38:22,112 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:38:22,112 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:38:22,112 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,113 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:38:22,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,114 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,114 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-07-17 11:38:22,114 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-07-17 11:38:22,114 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-07-17 11:38:22,114 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,114 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-17 11:38:22,114 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-07-17 11:38:22,115 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-07-17 11:38:22,115 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-07-17 11:38:22,115 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-07-17 11:38:22,115 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-17 11:38:22,116 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-17 11:38:22,117 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (= 0 ~systemActive~0)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse2 .cse3))) [2020-07-17 11:38:22,117 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (and .cse0 .cse9)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or .cse8 (not (= 0 ~systemActive~0)) .cse2) (or .cse8 (and .cse9 (<= 1 ~pumpRunning~0)) .cse5 .cse2 .cse3)))) [2020-07-17 11:38:22,117 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-17 11:38:22,117 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-07-17 11:38:22,117 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-07-17 11:38:22,118 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse4 (and .cse6 .cse7 .cse8)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse5) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse5 (and .cse6 .cse7 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 .cse5 .cse3)))) [2020-07-17 11:38:22,118 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-07-17 11:38:22,118 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-07-17 11:38:22,118 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-17 11:38:22,118 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-17 11:38:22,118 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-17 11:38:22,118 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-17 11:38:22,118 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-17 11:38:22,119 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-17 11:38:22,119 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 11:38:22,119 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-07-17 11:38:22,119 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-07-17 11:38:22,120 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:38:22,120 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-07-17 11:38:22,120 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-17 11:38:22,120 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-17 11:38:22,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,120 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:38:22,120 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:38:22,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:38:22,120 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-17 11:38:22,121 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-17 11:38:22,121 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-17 11:38:22,121 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-07-17 11:38:22,121 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-17 11:38:22,121 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-07-17 11:38:22,121 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-07-17 11:38:22,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:38:22 BoogieIcfgContainer [2020-07-17 11:38:22,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:38:22,142 INFO L168 Benchmark]: Toolchain (without parser) took 66023.47 ms. Allocated memory was 144.2 MB in the beginning and 875.6 MB in the end (delta: 731.4 MB). Free memory was 100.6 MB in the beginning and 635.2 MB in the end (delta: -534.6 MB). Peak memory consumption was 763.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,143 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.67 ms. Allocated memory was 144.2 MB in the beginning and 198.7 MB in the end (delta: 54.5 MB). Free memory was 100.2 MB in the beginning and 166.3 MB in the end (delta: -66.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,144 INFO L168 Benchmark]: Boogie Preprocessor took 161.40 ms. Allocated memory is still 198.7 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,145 INFO L168 Benchmark]: RCFGBuilder took 1212.64 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 162.2 MB in the beginning and 190.3 MB in the end (delta: -28.1 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,146 INFO L168 Benchmark]: TraceAbstraction took 63979.58 ms. Allocated memory was 229.6 MB in the beginning and 875.6 MB in the end (delta: 645.9 MB). Free memory was 190.3 MB in the beginning and 635.2 MB in the end (delta: -444.9 MB). Peak memory consumption was 767.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:38:22,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.67 ms. Allocated memory was 144.2 MB in the beginning and 198.7 MB in the end (delta: 54.5 MB). Free memory was 100.2 MB in the beginning and 166.3 MB in the end (delta: -66.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 161.40 ms. Allocated memory is still 198.7 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.64 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 162.2 MB in the beginning and 190.3 MB in the end (delta: -28.1 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63979.58 ms. Allocated memory was 229.6 MB in the beginning and 875.6 MB in the end (delta: 645.9 MB). Free memory was 190.3 MB in the beginning and 635.2 MB in the end (delta: -444.9 MB). Peak memory consumption was 767.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 34.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1433 SDtfs, 3410 SDslu, 2339 SDs, 0 SdLazy, 7935 SolverSat, 2373 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1016 GetRequests, 812 SyntacticMatches, 3 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 741 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1833 PreInvPairs, 1907 NumberOfFragments, 2078 HoareAnnotationTreeSize, 1833 FomulaSimplifications, 10806464 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 186704 FormulaSimplificationTreeSizeReductionInter, 15.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1505 NumberOfCodeBlocks, 1505 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 589962 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 564/612 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...