/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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:50:18,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:50:18,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:50:18,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:50:18,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:50:18,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:50:18,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:50:18,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:50:18,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:50:18,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:50:18,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:50:18,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:50:18,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:50:18,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:50:18,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:50:18,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:50:18,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:50:18,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:50:18,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:50:18,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:50:18,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:50:18,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:50:18,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:50:18,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:50:18,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:50:18,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:50:18,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:50:18,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:50:18,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:50:18,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:50:18,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:50:18,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:50:18,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:50:18,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:50:18,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:50:18,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:50:18,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:50:18,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:50:18,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:50:18,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:50:18,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:50:18,769 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 [2020-07-07 10:50:18,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:50:18,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:50:18,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:50:18,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:50:18,790 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:50:18,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:50:18,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:50:18,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:50:18,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:50:18,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:50:18,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:50:18,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:50:18,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:50:18,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:50:18,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:50:18,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:50:18,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:50:18,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:50:18,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:50:18,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:50:18,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:50:18,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:50:18,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:50:18,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:50:18,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:50:19,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:50:19,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:50:19,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:50:19,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:50:19,093 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:50:19,093 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-07 10:50:19,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee93180/d6ae4239083f40f1b5eb6745526a1b0a/FLAG7a38dded1 [2020-07-07 10:50:19,677 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:50:19,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-07 10:50:19,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee93180/d6ae4239083f40f1b5eb6745526a1b0a/FLAG7a38dded1 [2020-07-07 10:50:19,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee93180/d6ae4239083f40f1b5eb6745526a1b0a [2020-07-07 10:50:19,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:50:19,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:50:19,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:19,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:50:19,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:50:19,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:19" (1/1) ... [2020-07-07 10:50:19,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78635e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:19, skipping insertion in model container [2020-07-07 10:50:19,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:19" (1/1) ... [2020-07-07 10:50:19,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:50:20,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:50:20,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:20,412 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:50:20,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:20,654 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:50:20,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20 WrapperNode [2020-07-07 10:50:20,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:20,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:50:20,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:50:20,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:50:20,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (1/1) ... [2020-07-07 10:50:20,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:50:20,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:50:20,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:50:20,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:50:20,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (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 [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:50:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:50:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:50:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:50:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:50:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:50:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:50:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:50:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:50:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:50:20,817 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:50:20,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:50:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:50:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:50:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:50:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:50:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:50:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:50:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:50:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:50:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:50:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:50:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:50:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:50:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:50:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:50:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:50:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:50:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:50:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:50:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:50:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:50:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:50:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:50:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:50:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:50:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:50:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:50:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:50:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:50:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:50:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:50:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:50:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:50:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:50:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:50:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:50:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:50:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:50:21,977 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:50:21,978 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:50:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:21 BoogieIcfgContainer [2020-07-07 10:50:21,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:50:21,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:50:21,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:50:21,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:50:21,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:50:19" (1/3) ... [2020-07-07 10:50:21,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fea8783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:21, skipping insertion in model container [2020-07-07 10:50:21,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:20" (2/3) ... [2020-07-07 10:50:21,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fea8783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:21, skipping insertion in model container [2020-07-07 10:50:21,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:21" (3/3) ... [2020-07-07 10:50:21,992 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-07-07 10:50:22,003 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:50:22,012 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:50:22,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:50:22,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:50:22,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:50:22,053 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:50:22,053 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:50:22,053 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:50:22,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:50:22,054 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:50:22,054 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:50:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-07 10:50:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:50:22,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:22,091 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] [2020-07-07 10:50:22,091 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:22,096 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2020-07-07 10:50:22,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:22,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511199370] [2020-07-07 10:50:22,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,765 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:22,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511199370] [2020-07-07 10:50:22,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:22,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:50:22,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374595775] [2020-07-07 10:50:22,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:50:22,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:22,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:50:22,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:22,911 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-07-07 10:50:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:23,982 INFO L93 Difference]: Finished difference Result 303 states and 389 transitions. [2020-07-07 10:50:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:50:23,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:50:23,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:23,998 INFO L225 Difference]: With dead ends: 303 [2020-07-07 10:50:23,999 INFO L226 Difference]: Without dead ends: 166 [2020-07-07 10:50:24,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:24,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-07 10:50:24,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-07-07 10:50:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-07 10:50:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-07 10:50:24,093 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2020-07-07 10:50:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:24,094 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-07 10:50:24,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:50:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-07 10:50:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:50:24,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:24,098 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] [2020-07-07 10:50:24,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:50:24,099 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:24,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:24,099 INFO L82 PathProgramCache]: Analyzing trace with hash -103265726, now seen corresponding path program 1 times [2020-07-07 10:50:24,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:24,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788370169] [2020-07-07 10:50:24,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,437 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:24,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788370169] [2020-07-07 10:50:24,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:24,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:50:24,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974267638] [2020-07-07 10:50:24,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:50:24,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:24,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:50:24,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:50:24,494 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 5 states. [2020-07-07 10:50:24,943 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:25,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:25,718 INFO L93 Difference]: Finished difference Result 248 states and 301 transitions. [2020-07-07 10:50:25,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:50:25,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:50:25,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:25,722 INFO L225 Difference]: With dead ends: 248 [2020-07-07 10:50:25,722 INFO L226 Difference]: Without dead ends: 156 [2020-07-07 10:50:25,724 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 [2020-07-07 10:50:25,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-07 10:50:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 129. [2020-07-07 10:50:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-07 10:50:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-07 10:50:25,761 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 60 [2020-07-07 10:50:25,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:25,762 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-07 10:50:25,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:50:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-07 10:50:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:50:25,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:25,765 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] [2020-07-07 10:50:25,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:50:25,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:25,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:25,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2020-07-07 10:50:25,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:25,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609275272] [2020-07-07 10:50:25,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,130 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:26,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609275272] [2020-07-07 10:50:26,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:26,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:26,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519651788] [2020-07-07 10:50:26,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:26,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:26,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:26,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:26,278 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 9 states. [2020-07-07 10:50:26,733 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:27,038 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:27,293 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:27,551 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:28,707 INFO L93 Difference]: Finished difference Result 257 states and 316 transitions. [2020-07-07 10:50:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:50:28,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:50:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:28,711 INFO L225 Difference]: With dead ends: 257 [2020-07-07 10:50:28,711 INFO L226 Difference]: Without dead ends: 156 [2020-07-07 10:50:28,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:50:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-07 10:50:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 129. [2020-07-07 10:50:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-07 10:50:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-07-07 10:50:28,745 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 64 [2020-07-07 10:50:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:28,746 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-07-07 10:50:28,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-07-07 10:50:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-07 10:50:28,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:28,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:28,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:50:28,750 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:28,750 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2020-07-07 10:50:28,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:28,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090487291] [2020-07-07 10:50:28,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,008 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:29,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090487291] [2020-07-07 10:50:29,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:29,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:50:29,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143587587] [2020-07-07 10:50:29,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:50:29,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:29,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:50:29,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:29,128 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2020-07-07 10:50:29,556 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:30,928 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:31,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:31,435 INFO L93 Difference]: Finished difference Result 356 states and 444 transitions. [2020-07-07 10:50:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:50:31,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-07 10:50:31,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:31,442 INFO L225 Difference]: With dead ends: 356 [2020-07-07 10:50:31,443 INFO L226 Difference]: Without dead ends: 255 [2020-07-07 10:50:31,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:50:31,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-07 10:50:31,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 212. [2020-07-07 10:50:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-07 10:50:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2020-07-07 10:50:31,486 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2020-07-07 10:50:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:31,487 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2020-07-07 10:50:31,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:50:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2020-07-07 10:50:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-07 10:50:31,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:31,489 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] [2020-07-07 10:50:31,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:50:31,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:31,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:31,490 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2020-07-07 10:50:31,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:31,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913143620] [2020-07-07 10:50:31,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,785 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:50:31,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913143620] [2020-07-07 10:50:31,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:31,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:31,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649096214] [2020-07-07 10:50:31,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:31,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:31,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:31,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:31,906 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 9 states. [2020-07-07 10:50:32,390 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:33,016 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:33,656 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:33,972 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:34,363 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:34,595 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:35,124 INFO L93 Difference]: Finished difference Result 438 states and 534 transitions. [2020-07-07 10:50:35,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:50:35,125 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-07 10:50:35,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:35,129 INFO L225 Difference]: With dead ends: 438 [2020-07-07 10:50:35,129 INFO L226 Difference]: Without dead ends: 254 [2020-07-07 10:50:35,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:50:35,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-07 10:50:35,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-07-07 10:50:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-07 10:50:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2020-07-07 10:50:35,180 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2020-07-07 10:50:35,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:35,181 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2020-07-07 10:50:35,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2020-07-07 10:50:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:50:35,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:35,183 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] [2020-07-07 10:50:35,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:50:35,183 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:35,185 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2020-07-07 10:50:35,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:35,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722221155] [2020-07-07 10:50:35,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,517 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:35,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722221155] [2020-07-07 10:50:35,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:35,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:35,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734401985] [2020-07-07 10:50:35,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:35,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:35,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:35,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:35,674 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 9 states. [2020-07-07 10:50:36,733 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:36,974 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:37,228 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:37,455 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:38,097 INFO L93 Difference]: Finished difference Result 436 states and 528 transitions. [2020-07-07 10:50:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:50:38,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:50:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:38,100 INFO L225 Difference]: With dead ends: 436 [2020-07-07 10:50:38,100 INFO L226 Difference]: Without dead ends: 253 [2020-07-07 10:50:38,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:50:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-07 10:50:38,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 216. [2020-07-07 10:50:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-07 10:50:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2020-07-07 10:50:38,139 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2020-07-07 10:50:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:38,140 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2020-07-07 10:50:38,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2020-07-07 10:50:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:50:38,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:38,141 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] [2020-07-07 10:50:38,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:50:38,142 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:38,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:38,142 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2020-07-07 10:50:38,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:38,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926057888] [2020-07-07 10:50:38,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,429 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:38,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926057888] [2020-07-07 10:50:38,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:38,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:50:38,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690766357] [2020-07-07 10:50:38,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:50:38,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:38,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:50:38,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:50:38,570 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 11 states. [2020-07-07 10:50:39,253 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:39,497 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:39,750 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:40,433 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:40,691 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:40,943 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:41,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:41,702 INFO L93 Difference]: Finished difference Result 448 states and 548 transitions. [2020-07-07 10:50:41,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:50:41,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-07 10:50:41,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:41,705 INFO L225 Difference]: With dead ends: 448 [2020-07-07 10:50:41,706 INFO L226 Difference]: Without dead ends: 260 [2020-07-07 10:50:41,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:50:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-07 10:50:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 220. [2020-07-07 10:50:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-07 10:50:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2020-07-07 10:50:41,746 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2020-07-07 10:50:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:41,746 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2020-07-07 10:50:41,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:50:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2020-07-07 10:50:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:50:41,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:41,748 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] [2020-07-07 10:50:41,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:50:41,749 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:41,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:41,749 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2020-07-07 10:50:41,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:41,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199199202] [2020-07-07 10:50:41,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,042 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:42,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199199202] [2020-07-07 10:50:42,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:42,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:50:42,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294170755] [2020-07-07 10:50:42,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:50:42,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:42,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:50:42,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:42,255 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 7 states. [2020-07-07 10:50:42,727 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:43,266 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:44,800 INFO L93 Difference]: Finished difference Result 617 states and 772 transitions. [2020-07-07 10:50:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:50:44,801 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-07 10:50:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:44,804 INFO L225 Difference]: With dead ends: 617 [2020-07-07 10:50:44,804 INFO L226 Difference]: Without dead ends: 425 [2020-07-07 10:50:44,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:50:44,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-07 10:50:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2020-07-07 10:50:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-07 10:50:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 454 transitions. [2020-07-07 10:50:44,886 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 454 transitions. Word has length 92 [2020-07-07 10:50:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:44,887 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 454 transitions. [2020-07-07 10:50:44,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:50:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 454 transitions. [2020-07-07 10:50:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-07 10:50:44,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:44,889 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] [2020-07-07 10:50:44,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:50:44,889 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:44,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:44,890 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2020-07-07 10:50:44,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:44,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110826050] [2020-07-07 10:50:44,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,240 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:45,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110826050] [2020-07-07 10:50:45,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:45,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:50:45,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664853960] [2020-07-07 10:50:45,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:50:45,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:45,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:50:45,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:50:45,406 INFO L87 Difference]: Start difference. First operand 387 states and 454 transitions. Second operand 12 states. [2020-07-07 10:50:45,893 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:46,506 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:47,537 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:47,833 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:48,067 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:48,323 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:48,589 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:49,697 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:49,947 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:50,461 INFO L93 Difference]: Finished difference Result 1065 states and 1331 transitions. [2020-07-07 10:50:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:50:50,462 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-07 10:50:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:50,467 INFO L225 Difference]: With dead ends: 1065 [2020-07-07 10:50:50,467 INFO L226 Difference]: Without dead ends: 776 [2020-07-07 10:50:50,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:50:50,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-07-07 10:50:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 666. [2020-07-07 10:50:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-07-07 10:50:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 774 transitions. [2020-07-07 10:50:50,594 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 774 transitions. Word has length 96 [2020-07-07 10:50:50,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:50,594 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 774 transitions. [2020-07-07 10:50:50,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:50:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 774 transitions. [2020-07-07 10:50:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-07 10:50:50,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:50,598 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, 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] [2020-07-07 10:50:50,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:50:50,598 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:50,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:50,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2020-07-07 10:50:50,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:50,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423856015] [2020-07-07 10:50:50,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,913 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:50:51,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423856015] [2020-07-07 10:50:51,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621909644] [2020-07-07 10:50:51,309 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 [2020-07-07 10:50:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:51,508 INFO L264 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:50:51,523 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:50:51,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:51,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:50:51,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931211538] [2020-07-07 10:50:51,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:50:51,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:51,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:50:51,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:50:51,713 INFO L87 Difference]: Start difference. First operand 666 states and 774 transitions. Second operand 20 states. [2020-07-07 10:50:52,493 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:52,824 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:53,084 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:53,333 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:53,985 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:54,258 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:55,043 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:55,383 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:56,504 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:56,759 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:57,241 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:57,543 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:58,181 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:58,578 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:59,195 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:50:59,897 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:00,425 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:51:01,034 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:01,787 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:02,308 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:02,636 INFO L93 Difference]: Finished difference Result 1463 states and 1761 transitions. [2020-07-07 10:51:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-07 10:51:02,640 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-07 10:51:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:02,646 INFO L225 Difference]: With dead ends: 1463 [2020-07-07 10:51:02,646 INFO L226 Difference]: Without dead ends: 891 [2020-07-07 10:51:02,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=729, Invalid=2811, Unknown=0, NotChecked=0, Total=3540 [2020-07-07 10:51:02,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-07-07 10:51:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 796. [2020-07-07 10:51:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-07-07 10:51:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 933 transitions. [2020-07-07 10:51:02,778 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 933 transitions. Word has length 157 [2020-07-07 10:51:02,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:02,779 INFO L479 AbstractCegarLoop]: Abstraction has 796 states and 933 transitions. [2020-07-07 10:51:02,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:51:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 933 transitions. [2020-07-07 10:51:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-07-07 10:51:02,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:02,785 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, 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, 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] [2020-07-07 10:51:02,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:51:03,000 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:03,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:03,001 INFO L82 PathProgramCache]: Analyzing trace with hash -611993489, now seen corresponding path program 1 times [2020-07-07 10:51:03,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:03,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888350914] [2020-07-07 10:51:03,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,398 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-07-07 10:51:04,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888350914] [2020-07-07 10:51:04,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991595729] [2020-07-07 10:51:04,032 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 [2020-07-07 10:51:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:04,379 INFO L264 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:51:04,390 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:51:04,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:04,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:51:04,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257445610] [2020-07-07 10:51:04,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:51:04,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:04,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:51:04,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:51:04,753 INFO L87 Difference]: Start difference. First operand 796 states and 933 transitions. Second operand 24 states. [2020-07-07 10:51:05,481 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:06,357 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:07,049 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:07,791 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:08,349 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:08,851 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:09,124 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:09,425 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:09,693 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:12,360 INFO L93 Difference]: Finished difference Result 1902 states and 2520 transitions. [2020-07-07 10:51:12,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:51:12,361 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 277 [2020-07-07 10:51:12,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:12,369 INFO L225 Difference]: With dead ends: 1902 [2020-07-07 10:51:12,369 INFO L226 Difference]: Without dead ends: 1153 [2020-07-07 10:51:12,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 377 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:51:12,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2020-07-07 10:51:12,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 804. [2020-07-07 10:51:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-07-07 10:51:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 928 transitions. [2020-07-07 10:51:12,517 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 928 transitions. Word has length 277 [2020-07-07 10:51:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:12,518 INFO L479 AbstractCegarLoop]: Abstraction has 804 states and 928 transitions. [2020-07-07 10:51:12,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:51:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 928 transitions. [2020-07-07 10:51:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-07 10:51:12,522 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:12,522 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 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, 4, 3, 3, 3, 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, 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] [2020-07-07 10:51:12,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:12,738 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:12,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:12,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1022702541, now seen corresponding path program 1 times [2020-07-07 10:51:12,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:12,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72511311] [2020-07-07 10:51:12,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,026 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-07-07 10:51:13,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72511311] [2020-07-07 10:51:13,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850954063] [2020-07-07 10:51:13,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:13,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:51:13,734 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-07 10:51:13,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:13,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:51:13,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866266446] [2020-07-07 10:51:13,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:51:13,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:13,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:51:13,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:51:13,951 INFO L87 Difference]: Start difference. First operand 804 states and 928 transitions. Second operand 22 states. [2020-07-07 10:51:14,779 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:51:15,361 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:15,861 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:16,358 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:17,321 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:18,166 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:18,776 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:19,280 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:20,061 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:20,980 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:21,239 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:21,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:21,986 INFO L93 Difference]: Finished difference Result 1558 states and 1854 transitions. [2020-07-07 10:51:21,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:51:21,994 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-07 10:51:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:21,999 INFO L225 Difference]: With dead ends: 1558 [2020-07-07 10:51:21,999 INFO L226 Difference]: Without dead ends: 867 [2020-07-07 10:51:22,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:51:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-07-07 10:51:22,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 804. [2020-07-07 10:51:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-07-07 10:51:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 925 transitions. [2020-07-07 10:51:22,189 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 925 transitions. Word has length 289 [2020-07-07 10:51:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:22,190 INFO L479 AbstractCegarLoop]: Abstraction has 804 states and 925 transitions. [2020-07-07 10:51:22,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:51:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 925 transitions. [2020-07-07 10:51:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-07 10:51:22,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:22,195 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 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, 4, 3, 3, 3, 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, 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] [2020-07-07 10:51:22,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:51:22,409 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:22,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:22,410 INFO L82 PathProgramCache]: Analyzing trace with hash -302116190, now seen corresponding path program 1 times [2020-07-07 10:51:22,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:22,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560557629] [2020-07-07 10:51:22,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,778 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-07-07 10:51:23,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560557629] [2020-07-07 10:51:23,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922767296] [2020-07-07 10:51:23,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:23,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:51:23,279 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-07 10:51:23,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:23,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-07 10:51:23,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456482775] [2020-07-07 10:51:23,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:51:23,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:23,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:51:23,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:51:23,467 INFO L87 Difference]: Start difference. First operand 804 states and 925 transitions. Second operand 17 states. [2020-07-07 10:51:23,932 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:24,609 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:26,086 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:26,333 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:26,602 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:26,854 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:27,408 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:27,709 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:27,981 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:28,238 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:28,491 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:29,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:29,888 INFO L93 Difference]: Finished difference Result 2000 states and 2496 transitions. [2020-07-07 10:51:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 10:51:29,889 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 290 [2020-07-07 10:51:29,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:29,898 INFO L225 Difference]: With dead ends: 2000 [2020-07-07 10:51:29,898 INFO L226 Difference]: Without dead ends: 1309 [2020-07-07 10:51:29,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:51:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-07-07 10:51:30,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1048. [2020-07-07 10:51:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2020-07-07 10:51:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1207 transitions. [2020-07-07 10:51:30,088 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1207 transitions. Word has length 290 [2020-07-07 10:51:30,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:30,088 INFO L479 AbstractCegarLoop]: Abstraction has 1048 states and 1207 transitions. [2020-07-07 10:51:30,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:51:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1207 transitions. [2020-07-07 10:51:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-07 10:51:30,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:30,093 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:30,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:30,308 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:30,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1251062974, now seen corresponding path program 1 times [2020-07-07 10:51:30,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:30,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870645424] [2020-07-07 10:51:30,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,726 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 144 proven. 55 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-07-07 10:51:31,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870645424] [2020-07-07 10:51:31,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51151649] [2020-07-07 10:51:31,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:31,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:51:31,781 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-07 10:51:32,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:32,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12] total 28 [2020-07-07 10:51:32,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122831785] [2020-07-07 10:51:32,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-07 10:51:32,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:32,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-07 10:51:32,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:51:32,060 INFO L87 Difference]: Start difference. First operand 1048 states and 1207 transitions. Second operand 28 states. [2020-07-07 10:51:32,835 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:33,768 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:34,749 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:51:35,569 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:36,143 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 10:51:36,683 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 10:51:37,136 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:37,636 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:38,103 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:39,428 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-07 10:51:40,660 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-07-07 10:51:40,992 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:41,529 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 10:51:42,052 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 10:51:42,569 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 10:51:42,873 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:51:43,183 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:43,474 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:44,316 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:51:44,847 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-07 10:51:45,360 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-07 10:51:45,619 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:46,165 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:51:46,651 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:51:47,680 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:48,287 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:51:48,963 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:49,500 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:51:49,989 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:51:50,629 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:51,360 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:51:51,680 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:51,978 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:52,417 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:52,942 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:51:53,451 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:51:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:55,531 INFO L93 Difference]: Finished difference Result 2335 states and 2836 transitions. [2020-07-07 10:51:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-07 10:51:55,532 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 358 [2020-07-07 10:51:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:55,533 INFO L225 Difference]: With dead ends: 2335 [2020-07-07 10:51:55,533 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:51:55,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 495 SyntacticMatches, 9 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3688 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=1987, Invalid=9355, Unknown=0, NotChecked=0, Total=11342 [2020-07-07 10:51:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:51:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:51:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:51:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:51:55,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-07 10:51:55,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:55,544 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:51:55,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-07 10:51:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:51:55,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:51:55,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:51:55,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:51:55,950 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 221 [2020-07-07 10:51:58,971 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 318 [2020-07-07 10:52:03,949 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 323 [2020-07-07 10:52:08,176 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 380 [2020-07-07 10:52:09,447 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 362 [2020-07-07 10:52:10,623 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 200 DAG size of output: 32 [2020-07-07 10:52:10,863 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-07 10:52:11,271 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:11,795 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2020-07-07 10:52:12,521 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-07-07 10:52:12,756 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-07 10:52:12,926 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-07 10:52:13,937 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-07-07 10:52:14,722 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-07-07 10:52:14,894 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:15,084 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:52:15,749 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 26 [2020-07-07 10:52:16,703 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 30 [2020-07-07 10:52:16,918 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:17,079 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-07 10:52:17,277 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:18,820 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-07-07 10:52:19,004 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:52:19,192 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:19,921 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-07-07 10:52:20,417 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 27 [2020-07-07 10:52:21,850 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 241 DAG size of output: 28 [2020-07-07 10:52:22,043 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-07 10:52:22,983 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 31 [2020-07-07 10:52:24,407 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2020-07-07 10:52:25,840 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 242 DAG size of output: 27 [2020-07-07 10:52:25,984 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:26,988 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 32 [2020-07-07 10:52:27,713 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-07 10:52:28,071 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-07-07 10:52:28,260 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:28,446 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:29,139 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-07-07 10:52:30,304 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 191 DAG size of output: 33 [2020-07-07 10:52:31,130 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 54 [2020-07-07 10:52:31,866 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 29 [2020-07-07 10:52:32,039 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-07 10:52:32,258 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-07 10:52:32,444 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-07 10:52:32,618 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:52:34,529 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 298 DAG size of output: 33 [2020-07-07 10:52:35,203 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 26 [2020-07-07 10:52:37,446 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 305 DAG size of output: 33 [2020-07-07 10:52:38,053 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-07 10:52:38,204 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:38,407 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:52:38,609 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:52:38,613 INFO L268 CegarLoopResult]: For program point L668(lines 645 669) no Hoare annotation was computed. [2020-07-07 10:52:38,614 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2020-07-07 10:52:38,614 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-07 10:52:38,614 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-07-07 10:52:38,614 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-07 10:52:38,614 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point L729(lines 702 730) no Hoare annotation was computed. [2020-07-07 10:52:38,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2020-07-07 10:52:38,616 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2020-07-07 10:52:38,616 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2020-07-07 10:52:38,617 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2020-07-07 10:52:38,617 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2020-07-07 10:52:38,617 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2020-07-07 10:52:38,617 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,617 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2020-07-07 10:52:38,617 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2020-07-07 10:52:38,617 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point L949(line 949) no Hoare annotation was computed. [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2020-07-07 10:52:38,618 INFO L271 CegarLoopResult]: At program point L960(line 960) the Hoare annotation is: true [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point L960-1(line 960) no Hoare annotation was computed. [2020-07-07 10:52:38,618 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2020-07-07 10:52:38,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2020-07-07 10:52:38,619 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-07 10:52:38,619 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-07 10:52:38,619 INFO L268 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2020-07-07 10:52:38,619 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 (not (= 1 ~waterLevel~0)) .cse6 .cse4 .cse3) (or .cse5 (not (<= ~waterLevel~0 1)) .cse2 .cse3) (or .cse5 .cse6 .cse4 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:52:38,619 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-07 10:52:38,619 INFO L268 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2020-07-07 10:52:38,620 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,620 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2020-07-07 10:52:38,620 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2020-07-07 10:52:38,620 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,620 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,620 INFO L268 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2020-07-07 10:52:38,620 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2020-07-07 10:52:38,620 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,621 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,621 INFO L264 CegarLoopResult]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 10:52:38,621 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-07-07 10:52:38,622 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L184(lines 184 192) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2020-07-07 10:52:38,623 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point L908(lines 908 915) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point L902(lines 902 922) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2020-07-07 10:52:38,624 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) (= 0 ~waterLevel~0) .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse3))) [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2020-07-07 10:52:38,625 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2020-07-07 10:52:38,626 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse0) (or .cse1 .cse3 (and .cse2 (not (= 0 ~waterLevel~0))) (not (<= ~waterLevel~0 0)) .cse0))) [2020-07-07 10:52:38,626 INFO L268 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:38,626 INFO L268 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:52:38,626 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:38,626 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-07 10:52:38,627 INFO L268 CegarLoopResult]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:52:38,627 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:52:38,627 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-07-07 10:52:38,627 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-07-07 10:52:38,627 INFO L264 CegarLoopResult]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,627 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and .cse1 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-07 10:52:38,627 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-07-07 10:52:38,627 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2020-07-07 10:52:38,627 INFO L268 CegarLoopResult]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2020-07-07 10:52:38,627 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse2 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse4) (not .cse4))) [2020-07-07 10:52:38,628 INFO L264 CegarLoopResult]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse2 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse4) (not .cse4))) [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L264 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L264 CegarLoopResult]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and .cse1 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2020-07-07 10:52:38,628 INFO L268 CegarLoopResult]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point L862(lines 862 869) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point L856(lines 856 876) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2020-07-07 10:52:38,629 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2020-07-07 10:52:38,629 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2020-07-07 10:52:38,630 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L768(lines 768 784) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L789(lines 788 808) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L785(lines 785 826) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2020-07-07 10:52:38,631 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L827(lines 827 838) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point L809(lines 787 810) no Hoare annotation was computed. [2020-07-07 10:52:38,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.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~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:52:38,633 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,633 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L268 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2020-07-07 10:52:38,633 INFO L271 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: true [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L268 CegarLoopResult]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2020-07-07 10:52:38,634 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2020-07-07 10:52:38,635 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2020-07-07 10:52:38,636 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse3 .cse1 .cse2))) [2020-07-07 10:52:38,636 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-07-07 10:52:38,636 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-07-07 10:52:38,636 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 .cse2 .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse5 .cse3)))) [2020-07-07 10:52:38,636 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-07-07 10:52:38,636 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 (<= 0 ~waterLevel~0) .cse5) (and .cse3 .cse4 (<= ~waterLevel~0 0) .cse0) .cse6 .cse1 .cse2) (or .cse6 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and .cse3 (< 0 ~waterLevel~0) .cse4 .cse5)))) [2020-07-07 10:52:38,636 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-07-07 10:52:38,637 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (and .cse6 .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4) (let ((.cse8 (= 1 ~waterLevel~0))) (or (not (= 2 |old(~waterLevel~0)|)) .cse5 (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse8) .cse4)) (let ((.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse9 .cse10 (<= 0 ~waterLevel~0) .cse11) (and .cse9 .cse10 .cse12 .cse1) .cse5 (and (< 0 ~waterLevel~0) .cse11) .cse3 (and .cse12 .cse6 .cse7 .cse1 (not (= 0 ~waterLevel~0))) .cse4)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4)))) [2020-07-07 10:52:38,637 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-07-07 10:52:38,637 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2020-07-07 10:52:38,637 INFO L271 CegarLoopResult]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2020-07-07 10:52:38,637 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 10:52:38,637 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2020-07-07 10:52:38,637 INFO L271 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2020-07-07 10:52:38,637 INFO L271 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: true [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L271 CegarLoopResult]: At program point L459(lines 434 463) the Hoare annotation is: true [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2020-07-07 10:52:38,638 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,638 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:52:38,639 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:52:38,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:38,639 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:38,639 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-07 10:52:38,639 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-07-07 10:52:38,639 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-07-07 10:52:38,639 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2020-07-07 10:52:38,640 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:38,640 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-07-07 10:52:38,640 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3))) [2020-07-07 10:52:38,640 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-07 10:52:38,640 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-07-07 10:52:38,640 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2020-07-07 10:52:38,640 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~waterLevel~0)| 0)) .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse2 (= 1 ~waterLevel~0) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-07 10:52:38,641 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-07-07 10:52:38,641 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2020-07-07 10:52:38,641 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2020-07-07 10:52:38,641 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2020-07-07 10:52:38,641 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2020-07-07 10:52:38,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:52:38 BoogieIcfgContainer [2020-07-07 10:52:38,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:52:38,660 INFO L168 Benchmark]: Toolchain (without parser) took 138693.16 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 996.1 MB). Free memory was 102.2 MB in the beginning and 960.2 MB in the end (delta: -858.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,661 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.06 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,662 INFO L168 Benchmark]: Boogie Preprocessor took 90.17 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 167.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,663 INFO L168 Benchmark]: RCFGBuilder took 1237.90 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 197.3 MB in the end (delta: -29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,663 INFO L168 Benchmark]: TraceAbstraction took 136674.33 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 898.6 MB). Free memory was 195.8 MB in the beginning and 960.2 MB in the end (delta: -764.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:38,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.06 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.17 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 167.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.90 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 197.3 MB in the end (delta: -29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 136674.33 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 898.6 MB). Free memory was 195.8 MB in the beginning and 960.2 MB in the end (delta: -764.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 <= pumpRunning)) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || !(1 == systemActive) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 93.7s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 80.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 42.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2267 SDtfs, 7036 SDslu, 5192 SDs, 0 SdLazy, 22741 SolverSat, 5248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2598 GetRequests, 2145 SyntacticMatches, 16 SemanticMatches, 437 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6955 ImplicationChecksByTransitivity, 46.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=13, 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, 14 MinimizatonAttempts, 1161 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2573 PreInvPairs, 2872 NumberOfFragments, 2080 HoareAnnotationTreeSize, 2573 FomulaSimplifications, 4315604758 FormulaSimplificationTreeSizeReduction, 13.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 15919879 FormulaSimplificationTreeSizeReductionInter, 28.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 3465 NumberOfCodeBlocks, 3465 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3446 ConstructedInterpolants, 0 QuantifiedInterpolants, 1857748 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6015 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2745/2979 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...