/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:04:53,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:04:53,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:04:53,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:04:53,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:04:53,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:04:53,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:04:53,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:04:53,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:04:53,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:04:53,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:04:53,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:04:53,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:04:53,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:04:53,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:04:53,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:04:53,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:04:53,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:04:53,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:04:53,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:04:53,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:04:53,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:04:53,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:04:53,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:04:53,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:04:53,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:04:53,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:04:53,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:04:53,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:04:53,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:04:53,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:04:53,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:04:53,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:04:53,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:04:53,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:04:53,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:04:53,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:04:53,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:04:53,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:04:53,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:04:53,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:04:53,784 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 [2020-07-20 01:04:53,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:04:53,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:04:53,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:04:53,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:04:53,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:04:53,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:04:53,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:04:53,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:04:53,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:04:53,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:04:53,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:04:53,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:04:53,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:04:53,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:04:53,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:04:53,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:04:53,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:04:53,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:04:53,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:04:53,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:04:53,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:04:53,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:04:53,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:04:53,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:04:53,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:04:53,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:04:53,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:04:53,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:04:53,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:04:53,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:04:54,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:04:54,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:04:54,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:04:54,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:04:54,195 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:04:54,195 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 01:04:54,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1ea336/b7cdba48162848d6a55318bf1960da3b/FLAG9ec4ba7a2 [2020-07-20 01:04:54,750 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:04:54,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 01:04:54,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1ea336/b7cdba48162848d6a55318bf1960da3b/FLAG9ec4ba7a2 [2020-07-20 01:04:55,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1ea336/b7cdba48162848d6a55318bf1960da3b [2020-07-20 01:04:55,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:04:55,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:04:55,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:55,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:04:55,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:04:55,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aaf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55, skipping insertion in model container [2020-07-20 01:04:55,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:04:55,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:04:55,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:55,693 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:04:55,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:55,809 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:04:55,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55 WrapperNode [2020-07-20 01:04:55,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:55,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:04:55,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:04:55,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:04:55,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 01:04:55,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:04:55,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:04:55,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:04:55,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:04:55,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (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 [2020-07-20 01:04:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:04:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:04:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:04:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:04:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:04:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:04:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:04:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:04:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:04:57,054 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:04:57,054 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:04:57,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:57 BoogieIcfgContainer [2020-07-20 01:04:57,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:04:57,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:04:57,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:04:57,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:04:57,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:55" (1/3) ... [2020-07-20 01:04:57,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f31eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:57, skipping insertion in model container [2020-07-20 01:04:57,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (2/3) ... [2020-07-20 01:04:57,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f31eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:57, skipping insertion in model container [2020-07-20 01:04:57,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:57" (3/3) ... [2020-07-20 01:04:57,067 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-07-20 01:04:57,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:04:57,085 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:04:57,099 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:04:57,123 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:04:57,123 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:04:57,123 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:04:57,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:04:57,123 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:04:57,124 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:04:57,124 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:04:57,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:04:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-20 01:04:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:04:57,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:57,159 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] [2020-07-20 01:04:57,160 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:57,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-07-20 01:04:57,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:57,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115269210] [2020-07-20 01:04:57,174 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:04:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,882 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:57,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115269210] [2020-07-20 01:04:57,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:57,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:04:57,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941732398] [2020-07-20 01:04:57,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:04:57,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:58,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:04:58,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:58,003 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-07-20 01:04:59,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:59,237 INFO L93 Difference]: Finished difference Result 314 states and 404 transitions. [2020-07-20 01:04:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:04:59,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:04:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:59,256 INFO L225 Difference]: With dead ends: 314 [2020-07-20 01:04:59,256 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 01:04:59,261 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 [2020-07-20 01:04:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 01:04:59,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-07-20 01:04:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-20 01:04:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-20 01:04:59,363 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-07-20 01:04:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:59,364 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-20 01:04:59,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:04:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-20 01:04:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:04:59,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:59,369 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] [2020-07-20 01:04:59,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:04:59,370 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:59,370 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-07-20 01:04:59,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:59,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374115784] [2020-07-20 01:04:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:04:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,786 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:59,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374115784] [2020-07-20 01:04:59,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:59,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:04:59,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080409788] [2020-07-20 01:04:59,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:04:59,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:59,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:04:59,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:04:59,975 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 9 states. [2020-07-20 01:05:00,373 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:00,695 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:01,415 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:01,666 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:02,796 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:04,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:04,672 INFO L93 Difference]: Finished difference Result 481 states and 605 transitions. [2020-07-20 01:05:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:05:04,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-20 01:05:04,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:04,679 INFO L225 Difference]: With dead ends: 481 [2020-07-20 01:05:04,679 INFO L226 Difference]: Without dead ends: 367 [2020-07-20 01:05:04,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:05:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-07-20 01:05:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 313. [2020-07-20 01:05:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-07-20 01:05:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 384 transitions. [2020-07-20 01:05:04,770 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 384 transitions. Word has length 64 [2020-07-20 01:05:04,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:04,770 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 384 transitions. [2020-07-20 01:05:04,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 384 transitions. [2020-07-20 01:05:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:05:04,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:04,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:04,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:05:04,775 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:04,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:04,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-07-20 01:05:04,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:04,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220363396] [2020-07-20 01:05:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,177 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:05:05,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220363396] [2020-07-20 01:05:05,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:05,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:05,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140188249] [2020-07-20 01:05:05,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:05,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:05,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:05,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:05,362 INFO L87 Difference]: Start difference. First operand 313 states and 384 transitions. Second operand 9 states. [2020-07-20 01:05:05,832 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:06,414 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:07,395 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:07,837 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:08,326 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:08,570 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:09,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:09,417 INFO L93 Difference]: Finished difference Result 829 states and 1126 transitions. [2020-07-20 01:05:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:09,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:05:09,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:09,427 INFO L225 Difference]: With dead ends: 829 [2020-07-20 01:05:09,427 INFO L226 Difference]: Without dead ends: 544 [2020-07-20 01:05:09,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-07-20 01:05:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 454. [2020-07-20 01:05:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-07-20 01:05:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 573 transitions. [2020-07-20 01:05:09,553 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 573 transitions. Word has length 70 [2020-07-20 01:05:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:09,553 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 573 transitions. [2020-07-20 01:05:09,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 573 transitions. [2020-07-20 01:05:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 01:05:09,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:09,558 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] [2020-07-20 01:05:09,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:05:09,558 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:09,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:09,559 INFO L82 PathProgramCache]: Analyzing trace with hash 571882893, now seen corresponding path program 1 times [2020-07-20 01:05:09,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:09,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209850014] [2020-07-20 01:05:09,560 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,875 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:09,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209850014] [2020-07-20 01:05:09,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:09,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:05:10,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162528430] [2020-07-20 01:05:10,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:05:10,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:10,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:05:10,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:05:10,003 INFO L87 Difference]: Start difference. First operand 454 states and 573 transitions. Second operand 6 states. [2020-07-20 01:05:10,487 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:11,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:11,552 INFO L93 Difference]: Finished difference Result 810 states and 1016 transitions. [2020-07-20 01:05:11,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:11,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-20 01:05:11,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:11,558 INFO L225 Difference]: With dead ends: 810 [2020-07-20 01:05:11,558 INFO L226 Difference]: Without dead ends: 485 [2020-07-20 01:05:11,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:05:11,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-20 01:05:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 412. [2020-07-20 01:05:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-07-20 01:05:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 497 transitions. [2020-07-20 01:05:11,631 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 497 transitions. Word has length 88 [2020-07-20 01:05:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:11,631 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 497 transitions. [2020-07-20 01:05:11,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:05:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 497 transitions. [2020-07-20 01:05:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:11,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:11,633 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] [2020-07-20 01:05:11,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:05:11,634 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:11,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:11,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2020-07-20 01:05:11,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:11,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497447712] [2020-07-20 01:05:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,934 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:12,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497447712] [2020-07-20 01:05:12,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:12,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:12,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382061584] [2020-07-20 01:05:12,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:12,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:12,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:12,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:12,102 INFO L87 Difference]: Start difference. First operand 412 states and 497 transitions. Second operand 9 states. [2020-07-20 01:05:12,437 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:13,601 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:13,837 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:14,106 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:14,346 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:15,339 INFO L93 Difference]: Finished difference Result 1234 states and 1655 transitions. [2020-07-20 01:05:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:05:15,340 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-20 01:05:15,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:15,348 INFO L225 Difference]: With dead ends: 1234 [2020-07-20 01:05:15,348 INFO L226 Difference]: Without dead ends: 850 [2020-07-20 01:05:15,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-07-20 01:05:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 727. [2020-07-20 01:05:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-07-20 01:05:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 881 transitions. [2020-07-20 01:05:15,522 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 881 transitions. Word has length 92 [2020-07-20 01:05:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:15,524 INFO L479 AbstractCegarLoop]: Abstraction has 727 states and 881 transitions. [2020-07-20 01:05:15,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 881 transitions. [2020-07-20 01:05:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:15,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:15,532 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] [2020-07-20 01:05:15,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:05:15,533 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:15,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:15,540 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-07-20 01:05:15,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:15,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976353194] [2020-07-20 01:05:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,812 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:15,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976353194] [2020-07-20 01:05:15,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:15,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:15,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17639148] [2020-07-20 01:05:15,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:15,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:15,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:15,945 INFO L87 Difference]: Start difference. First operand 727 states and 881 transitions. Second operand 9 states. [2020-07-20 01:05:16,990 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,295 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:17,547 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:17,799 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:18,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:18,533 INFO L93 Difference]: Finished difference Result 1548 states and 1977 transitions. [2020-07-20 01:05:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:18,534 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-20 01:05:18,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:18,542 INFO L225 Difference]: With dead ends: 1548 [2020-07-20 01:05:18,542 INFO L226 Difference]: Without dead ends: 849 [2020-07-20 01:05:18,545 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 [2020-07-20 01:05:18,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-07-20 01:05:18,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 747. [2020-07-20 01:05:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-07-20 01:05:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 901 transitions. [2020-07-20 01:05:18,687 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 901 transitions. Word has length 92 [2020-07-20 01:05:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:18,688 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 901 transitions. [2020-07-20 01:05:18,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 901 transitions. [2020-07-20 01:05:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:18,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:18,695 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] [2020-07-20 01:05:18,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:05:18,695 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-07-20 01:05:18,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:18,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504707247] [2020-07-20 01:05:18,698 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,150 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:19,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504707247] [2020-07-20 01:05:19,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:19,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:05:19,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616772311] [2020-07-20 01:05:19,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:05:19,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:19,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:05:19,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:05:19,317 INFO L87 Difference]: Start difference. First operand 747 states and 901 transitions. Second operand 11 states. [2020-07-20 01:05:20,155 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:20,391 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:20,613 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:21,390 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:21,663 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:21,921 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:22,812 INFO L93 Difference]: Finished difference Result 1410 states and 1790 transitions. [2020-07-20 01:05:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:05:22,813 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-20 01:05:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:22,818 INFO L225 Difference]: With dead ends: 1410 [2020-07-20 01:05:22,818 INFO L226 Difference]: Without dead ends: 691 [2020-07-20 01:05:22,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-20 01:05:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 618. [2020-07-20 01:05:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-07-20 01:05:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 727 transitions. [2020-07-20 01:05:22,943 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 727 transitions. Word has length 92 [2020-07-20 01:05:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:22,944 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 727 transitions. [2020-07-20 01:05:22,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:05:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 727 transitions. [2020-07-20 01:05:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 01:05:22,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:22,948 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] [2020-07-20 01:05:22,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:05:22,948 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:22,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-07-20 01:05:22,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:22,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101858583] [2020-07-20 01:05:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,304 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:23,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101858583] [2020-07-20 01:05:23,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:23,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:05:23,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989061396] [2020-07-20 01:05:23,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:05:23,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:23,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:05:23,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:05:23,466 INFO L87 Difference]: Start difference. First operand 618 states and 727 transitions. Second operand 12 states. [2020-07-20 01:05:23,916 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:24,554 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:25,203 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:25,529 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:25,775 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:26,047 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:26,371 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:28,233 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:28,570 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:29,030 INFO L93 Difference]: Finished difference Result 1813 states and 2317 transitions. [2020-07-20 01:05:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:05:29,031 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-20 01:05:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:29,040 INFO L225 Difference]: With dead ends: 1813 [2020-07-20 01:05:29,040 INFO L226 Difference]: Without dead ends: 1405 [2020-07-20 01:05:29,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:05:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2020-07-20 01:05:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1271. [2020-07-20 01:05:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-07-20 01:05:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1497 transitions. [2020-07-20 01:05:29,320 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1497 transitions. Word has length 96 [2020-07-20 01:05:29,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:29,322 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1497 transitions. [2020-07-20 01:05:29,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:05:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1497 transitions. [2020-07-20 01:05:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 01:05:29,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:29,328 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] [2020-07-20 01:05:29,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:05:29,329 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:29,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:29,330 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-07-20 01:05:29,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:29,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626826488] [2020-07-20 01:05:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,662 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:05:29,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626826488] [2020-07-20 01:05:29,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341397509] [2020-07-20 01:05:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb25ecf 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 [2020-07-20 01:05:30,543 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb25ecf issued 4 check-sat command(s) [2020-07-20 01:05:30,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:30,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:05:30,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:05:30,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:30,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:05:30,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165284018] [2020-07-20 01:05:30,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:05:30,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:30,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:05:30,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:05:30,730 INFO L87 Difference]: Start difference. First operand 1271 states and 1497 transitions. Second operand 20 states. [2020-07-20 01:05:31,355 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:31,737 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:05:32,028 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:32,325 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:33,079 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:05:33,385 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:33,808 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:34,325 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:35,618 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:36,491 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:05:36,811 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:37,192 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:37,785 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:38,193 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:38,800 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:05:39,348 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:39,843 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:40,532 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:41,259 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:05:41,563 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:41,900 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:42,222 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:42,522 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:42,943 INFO L93 Difference]: Finished difference Result 2871 states and 3532 transitions. [2020-07-20 01:05:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-20 01:05:42,944 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 155 [2020-07-20 01:05:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:42,957 INFO L225 Difference]: With dead ends: 2871 [2020-07-20 01:05:42,957 INFO L226 Difference]: Without dead ends: 1804 [2020-07-20 01:05:42,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-07-20 01:05:42,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2020-07-20 01:05:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1588. [2020-07-20 01:05:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2020-07-20 01:05:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1864 transitions. [2020-07-20 01:05:43,305 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1864 transitions. Word has length 155 [2020-07-20 01:05:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:43,306 INFO L479 AbstractCegarLoop]: Abstraction has 1588 states and 1864 transitions. [2020-07-20 01:05:43,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:05:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1864 transitions. [2020-07-20 01:05:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-07-20 01:05:43,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:43,320 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:43,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:05:43,527 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:43,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:43,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1402201584, now seen corresponding path program 1 times [2020-07-20 01:05:43,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:43,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804286930] [2020-07-20 01:05:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,863 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-20 01:05:44,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804286930] [2020-07-20 01:05:44,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112365384] [2020-07-20 01:05:44,320 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@72e7a501 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:44,938 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@72e7a501 issued 3 check-sat command(s) [2020-07-20 01:05:44,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:44,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:05:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 01:05:45,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:45,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-20 01:05:45,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641122906] [2020-07-20 01:05:45,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:05:45,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:45,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:05:45,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:05:45,247 INFO L87 Difference]: Start difference. First operand 1588 states and 1864 transitions. Second operand 25 states. [2020-07-20 01:05:46,536 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:05:47,508 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:48,638 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:05:49,192 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:05:49,703 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:05:49,951 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:50,201 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:50,515 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:50,809 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:51,068 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:52,029 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:52,332 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:56,449 INFO L93 Difference]: Finished difference Result 4329 states and 5914 transitions. [2020-07-20 01:05:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-20 01:05:56,450 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 269 [2020-07-20 01:05:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:56,469 INFO L225 Difference]: With dead ends: 4329 [2020-07-20 01:05:56,469 INFO L226 Difference]: Without dead ends: 2788 [2020-07-20 01:05:56,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-20 01:05:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2020-07-20 01:05:56,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 1984. [2020-07-20 01:05:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1984 states. [2020-07-20 01:05:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2338 transitions. [2020-07-20 01:05:56,851 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2338 transitions. Word has length 269 [2020-07-20 01:05:56,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:56,852 INFO L479 AbstractCegarLoop]: Abstraction has 1984 states and 2338 transitions. [2020-07-20 01:05:56,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:05:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2338 transitions. [2020-07-20 01:05:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-07-20 01:05:56,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:56,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:57,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:05:57,076 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:57,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:57,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1874771990, now seen corresponding path program 1 times [2020-07-20 01:05:57,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:57,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381621361] [2020-07-20 01:05:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:05:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,469 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-07-20 01:05:58,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381621361] [2020-07-20 01:05:58,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69603385] [2020-07-20 01:05:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d68e9a6 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 [2020-07-20 01:05:58,590 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d68e9a6 issued 3 check-sat command(s) [2020-07-20 01:05:58,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:58,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:05:58,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:05:58,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:58,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:05:58,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362113513] [2020-07-20 01:05:58,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:05:58,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:58,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:05:58,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:05:58,908 INFO L87 Difference]: Start difference. First operand 1984 states and 2338 transitions. Second operand 22 states. [2020-07-20 01:05:59,613 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:06:00,178 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:06:00,657 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:01,128 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:02,105 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:03,202 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:03,739 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:04,246 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:04,892 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,867 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:06,127 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:07,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:07,250 INFO L93 Difference]: Finished difference Result 3900 states and 4748 transitions. [2020-07-20 01:06:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:06:07,251 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 285 [2020-07-20 01:06:07,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:07,265 INFO L225 Difference]: With dead ends: 3900 [2020-07-20 01:06:07,265 INFO L226 Difference]: Without dead ends: 2139 [2020-07-20 01:06:07,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:06:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-07-20 01:06:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1986. [2020-07-20 01:06:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2020-07-20 01:06:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2334 transitions. [2020-07-20 01:06:07,637 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2334 transitions. Word has length 285 [2020-07-20 01:06:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:07,640 INFO L479 AbstractCegarLoop]: Abstraction has 1986 states and 2334 transitions. [2020-07-20 01:06:07,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:06:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2334 transitions. [2020-07-20 01:06:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-20 01:06:07,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:07,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:07,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:06:07,866 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:07,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1077945844, now seen corresponding path program 1 times [2020-07-20 01:06:07,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:07,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977050438] [2020-07-20 01:06:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:06:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,155 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-07-20 01:06:08,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977050438] [2020-07-20 01:06:08,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008728568] [2020-07-20 01:06:08,639 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@314352f8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:09,241 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@314352f8 issued 4 check-sat command(s) [2020-07-20 01:06:09,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:09,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:06:09,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-07-20 01:06:09,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:09,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-20 01:06:09,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138708686] [2020-07-20 01:06:09,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:06:09,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:09,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:06:09,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:06:09,496 INFO L87 Difference]: Start difference. First operand 1986 states and 2334 transitions. Second operand 22 states. [2020-07-20 01:06:09,982 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:10,794 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:11,155 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:11,640 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:15,130 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:15,425 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:15,705 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:15,966 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:16,482 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:06:16,757 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:17,311 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:06:17,573 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:18,107 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:18,607 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:19,505 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:19,806 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:20,094 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:20,369 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:20,885 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:06:21,429 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:06:22,245 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:24,276 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:24,540 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:24,863 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:25,351 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:25,841 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:28,085 INFO L93 Difference]: Finished difference Result 8048 states and 10658 transitions. [2020-07-20 01:06:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-07-20 01:06:28,085 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 286 [2020-07-20 01:06:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:28,118 INFO L225 Difference]: With dead ends: 8048 [2020-07-20 01:06:28,119 INFO L226 Difference]: Without dead ends: 5928 [2020-07-20 01:06:28,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3613 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1941, Invalid=8771, Unknown=0, NotChecked=0, Total=10712 [2020-07-20 01:06:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5928 states. [2020-07-20 01:06:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 4498. [2020-07-20 01:06:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4498 states. [2020-07-20 01:06:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 5180 transitions. [2020-07-20 01:06:28,889 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 5180 transitions. Word has length 286 [2020-07-20 01:06:28,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:28,890 INFO L479 AbstractCegarLoop]: Abstraction has 4498 states and 5180 transitions. [2020-07-20 01:06:28,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:06:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 5180 transitions. [2020-07-20 01:06:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-07-20 01:06:28,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:28,903 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:29,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:29,118 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:29,119 INFO L82 PathProgramCache]: Analyzing trace with hash -304827090, now seen corresponding path program 1 times [2020-07-20 01:06:29,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:29,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715729214] [2020-07-20 01:06:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:06:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,448 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 84 proven. 12 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2020-07-20 01:06:29,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715729214] [2020-07-20 01:06:29,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72826760] [2020-07-20 01:06:29,821 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@818c535 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 [2020-07-20 01:06:30,140 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@818c535 issued 2 check-sat command(s) [2020-07-20 01:06:30,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:30,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 01:06:30,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2020-07-20 01:06:30,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:06:30,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 11 [2020-07-20 01:06:30,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760349669] [2020-07-20 01:06:30,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:06:30,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:30,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:06:30,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:06:30,216 INFO L87 Difference]: Start difference. First operand 4498 states and 5180 transitions. Second operand 3 states. [2020-07-20 01:06:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:30,726 INFO L93 Difference]: Finished difference Result 5418 states and 6274 transitions. [2020-07-20 01:06:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:06:30,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2020-07-20 01:06:30,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:30,735 INFO L225 Difference]: With dead ends: 5418 [2020-07-20 01:06:30,735 INFO L226 Difference]: Without dead ends: 1832 [2020-07-20 01:06:30,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:06:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2020-07-20 01:06:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1800. [2020-07-20 01:06:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-07-20 01:06:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2009 transitions. [2020-07-20 01:06:31,117 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2009 transitions. Word has length 364 [2020-07-20 01:06:31,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:31,117 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2009 transitions. [2020-07-20 01:06:31,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:06:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2009 transitions. [2020-07-20 01:06:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-20 01:06:31,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:31,123 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:31,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:06:31,337 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:31,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:31,337 INFO L82 PathProgramCache]: Analyzing trace with hash 199530015, now seen corresponding path program 1 times [2020-07-20 01:06:31,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:31,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614341001] [2020-07-20 01:06:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb66f09 [2020-07-20 01:06:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,816 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 108 proven. 91 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-20 01:06:32,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614341001] [2020-07-20 01:06:32,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546548403] [2020-07-20 01:06:32,435 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ac668ed No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:32,886 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ac668ed issued 4 check-sat command(s) [2020-07-20 01:06:32,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:06:32,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 288 proven. 12 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-07-20 01:06:33,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:33,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15] total 31 [2020-07-20 01:06:33,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986735898] [2020-07-20 01:06:33,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 01:06:33,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:33,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 01:06:33,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2020-07-20 01:06:33,256 INFO L87 Difference]: Start difference. First operand 1800 states and 2009 transitions. Second operand 31 states. [2020-07-20 01:06:33,962 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-20 01:06:35,030 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-07-20 01:06:36,727 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:37,267 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:37,745 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:38,264 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-20 01:06:38,770 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-07-20 01:06:39,240 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-07-20 01:06:41,664 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-20 01:06:42,417 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:42,905 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:43,417 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:44,977 INFO L93 Difference]: Finished difference Result 2952 states and 3386 transitions. [2020-07-20 01:06:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 01:06:44,978 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 358 [2020-07-20 01:06:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:44,980 INFO L225 Difference]: With dead ends: 2952 [2020-07-20 01:06:44,980 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:06:44,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 482 SyntacticMatches, 9 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=853, Invalid=4403, Unknown=0, NotChecked=0, Total=5256 [2020-07-20 01:06:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:06:44,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:06:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:06:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:06:44,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-20 01:06:44,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:44,992 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:06:44,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-20 01:06:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:06:44,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:06:45,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:45,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:06:48,377 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 573 DAG size of output: 486 [2020-07-20 01:06:51,056 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 712 DAG size of output: 563 [2020-07-20 01:07:04,449 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 372 [2020-07-20 01:07:05,950 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 415 [2020-07-20 01:07:07,098 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 533 DAG size of output: 433 [2020-07-20 01:07:11,291 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 205 DAG size of output: 32 [2020-07-20 01:07:11,510 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-20 01:07:11,911 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-20 01:07:13,103 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 199 DAG size of output: 29 [2020-07-20 01:07:13,284 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-20 01:07:14,643 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 385 DAG size of output: 47 [2020-07-20 01:07:14,893 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2020-07-20 01:07:15,658 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 46 [2020-07-20 01:07:15,855 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-20 01:07:16,068 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-20 01:07:16,296 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-20 01:07:16,495 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-20 01:07:18,575 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 453 DAG size of output: 43 [2020-07-20 01:07:18,778 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:19,776 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 32 [2020-07-20 01:07:19,980 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:07:23,281 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 325 DAG size of output: 44 [2020-07-20 01:07:23,504 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-20 01:07:23,985 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 1 [2020-07-20 01:07:27,206 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 261 DAG size of output: 42 [2020-07-20 01:07:28,245 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 48 [2020-07-20 01:07:28,779 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-07-20 01:07:30,066 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 302 DAG size of output: 31 [2020-07-20 01:07:32,655 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 232 DAG size of output: 39 [2020-07-20 01:07:35,684 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 314 DAG size of output: 37 [2020-07-20 01:07:37,062 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 201 DAG size of output: 35 [2020-07-20 01:07:38,649 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 191 DAG size of output: 29 [2020-07-20 01:07:38,870 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-20 01:07:40,449 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-07-20 01:07:42,586 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 225 DAG size of output: 41 [2020-07-20 01:07:44,047 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-07-20 01:07:44,247 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:07:45,331 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 191 DAG size of output: 37 [2020-07-20 01:07:45,520 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:07:45,712 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:07:45,900 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:07:47,000 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 36 [2020-07-20 01:07:47,187 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-20 01:07:47,392 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-20 01:07:47,583 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:07:48,783 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-07-20 01:07:49,840 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 275 DAG size of output: 44 [2020-07-20 01:07:50,030 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:07:50,219 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:07:51,191 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 23 [2020-07-20 01:07:53,110 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2020-07-20 01:07:54,699 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 308 DAG size of output: 45 [2020-07-20 01:07:56,904 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 353 DAG size of output: 37 [2020-07-20 01:08:00,268 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 339 DAG size of output: 37 [2020-07-20 01:08:01,036 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 32 [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-07-20 01:08:01,041 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-07-20 01:08:01,042 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-07-20 01:08:01,042 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-07-20 01:08:01,042 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-07-20 01:08:01,042 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-20 01:08:01,042 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-07-20 01:08:01,043 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-07-20 01:08:01,044 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 01:08:01,044 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 01:08:01,044 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:08:01,044 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 01:08:01,044 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:08:01,044 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:01,044 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2020-07-20 01:08:01,045 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2020-07-20 01:08:01,045 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse5 .cse4 .cse0 .cse1 .cse3) (or .cse6 .cse0 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse3) (or .cse4 .cse8 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse0 .cse7 .cse3))) [2020-07-20 01:08:01,045 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 01:08:01,045 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2020-07-20 01:08:01,045 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2020-07-20 01:08:01,046 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse5) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-20 01:08:01,046 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2020-07-20 01:08:01,046 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-20 01:08:01,046 INFO L268 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2020-07-20 01:08:01,046 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse1 (not (= 0 ~waterLevel~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (= __utac_acc__Specification5_spec__3_~tmp~5 ~waterLevel~0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse3) (or .cse5 .cse0 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) .cse6 .cse0 .cse2) (or .cse7 .cse8 .cse9 .cse1 .cse2 .cse3) (or .cse6 .cse4 .cse0) (or .cse5 .cse7 .cse8 .cse9 .cse2 .cse3) (or .cse4 .cse9 .cse3))) [2020-07-20 01:08:01,046 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-20 01:08:01,046 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2020-07-20 01:08:01,047 INFO L268 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2020-07-20 01:08:01,047 INFO L268 CegarLoopResult]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2020-07-20 01:08:01,047 INFO L271 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: true [2020-07-20 01:08:01,047 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-20 01:08:01,047 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:01,047 INFO L264 CegarLoopResult]: At program point L384-1(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:01,047 INFO L268 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-07-20 01:08:01,048 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 372 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:01,048 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2020-07-20 01:08:01,048 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 01:08:01,048 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:01,048 INFO L264 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:01,048 INFO L264 CegarLoopResult]: At program point L378-1(line 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-20 01:08:01,049 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-20 01:08:01,050 INFO L268 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-07-20 01:08:01,050 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse6 (= 0 ~pumpRunning~0))) (.cse0 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= ~waterLevel~0 1)) .cse5) (or .cse2 .cse4 .cse5) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3)))) [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-07-20 01:08:01,051 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-07-20 01:08:01,052 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-07-20 01:08:01,053 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-07-20 01:08:01,053 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-07-20 01:08:01,053 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:01,053 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:01,053 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2020-07-20 01:08:01,053 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2020-07-20 01:08:01,053 INFO L271 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: true [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-20 01:08:01,054 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-07-20 01:08:01,054 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-07-20 01:08:01,054 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2020-07-20 01:08:01,055 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2020-07-20 01:08:01,055 INFO L268 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2020-07-20 01:08:01,055 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2020-07-20 01:08:01,055 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2020-07-20 01:08:01,055 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse2 .cse3))) [2020-07-20 01:08:01,055 INFO L268 CegarLoopResult]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2020-07-20 01:08:01,056 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:08:01,056 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse4) (or .cse7 .cse5 .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse4))) [2020-07-20 01:08:01,056 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))) (.cse7 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse5 .cse7 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-20 01:08:01,056 INFO L268 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-07-20 01:08:01,056 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse5 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or .cse0 .cse5 .cse1) (or .cse6 .cse0 .cse1) (or .cse6 .cse2 .cse3 .cse4 .cse1))) [2020-07-20 01:08:01,056 INFO L268 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-07-20 01:08:01,057 INFO L268 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-07-20 01:08:01,057 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2020-07-20 01:08:01,057 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2020-07-20 01:08:01,057 INFO L264 CegarLoopResult]: At program point testENTRY(lines 396 461) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:01,057 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse3) (and .cse0 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4))) [2020-07-20 01:08:01,057 INFO L268 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-07-20 01:08:01,057 INFO L264 CegarLoopResult]: At program point L442-1(lines 436 449) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse4 .cse0 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse3) (and .cse4 .cse0 .cse3 .cse5 .cse7) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse6 .cse3 .cse5))) [2020-07-20 01:08:01,057 INFO L268 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2020-07-20 01:08:01,057 INFO L268 CegarLoopResult]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse0 .cse2 .cse5 .cse6) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse7 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 (= 1 ~waterLevel~0) .cse2 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse5))) [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L264 CegarLoopResult]: At program point L451(lines 406 453) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse0 .cse3 .cse6 .cse7) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse8 .cse3 .cse6))) [2020-07-20 01:08:01,058 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse0 .cse3 .cse6 .cse7) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse8 .cse3 .cse6))) [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-20 01:08:01,058 INFO L264 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:08:01,059 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-07-20 01:08:01,060 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#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~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2020-07-20 01:08:01,061 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 188 195) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L271 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: true [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (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 .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse2) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse4 .cse5 .cse3) (or .cse8 .cse0 .cse2 .cse3) (or .cse8 .cse0 .cse6 .cse7 .cse4 .cse3))) [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-07-20 01:08:01,062 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,063 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,063 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,063 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-07-20 01:08:01,063 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-20 01:08:01,063 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-20 01:08:01,063 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 0 ~waterLevel~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (and .cse7 .cse8 .cse9)) (.cse10 (not (= 0 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse1) .cse4) (or (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse2 (and .cse0 .cse9) .cse10 .cse4) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6 .cse2 .cse4) (or .cse11 .cse5 .cse12 .cse3 .cse4) (or .cse11 .cse5 .cse12 .cse10 .cse4)))) [2020-07-20 01:08:01,064 INFO L264 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse17 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~waterLevel~0))) (let ((.cse10 (and .cse0 .cse17 .cse5)) (.cse6 (not (= 0 |old(~waterLevel~0)|))) (.cse1 (= 1 ~waterLevel~0)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not .cse8)) (.cse16 (and .cse14 .cse15 .cse5)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse11 (and .cse0 .cse18)) (.cse12 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (and .cse0 .cse5) .cse6 .cse4) (or .cse7 .cse8 .cse9 .cse3 .cse10 .cse4) (or .cse11 (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse7 .cse8 .cse9 .cse10 .cse6 .cse4) (or .cse9 .cse12 .cse13 (and .cse14 .cse15 .cse1) .cse4) (or .cse7 .cse9 .cse13 .cse16 .cse6 .cse4) (or .cse8 .cse9 .cse12 (and .cse0 .cse17 .cse1) .cse4) (or .cse7 .cse9 .cse13 .cse16 .cse3 .cse4) (or .cse11 (and .cse18 (<= 1 ~pumpRunning~0)) .cse12 .cse2 .cse4)))) [2020-07-20 01:08:01,064 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (let ((.cse10 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse11)) (.cse6 (and (= 0 ~pumpRunning~0) .cse10 .cse11)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4) (or .cse6 .cse5 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse3 .cse4) (or .cse6 (not (= 0 ~systemActive~0)) .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9 .cse4) (or .cse6 .cse7 .cse8 .cse9 .cse4)))) [2020-07-20 01:08:01,064 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (and .cse8 .cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 (not (<= |old(~waterLevel~0)| 2))) (or .cse4 .cse5 .cse3) (or .cse4 .cse6 .cse3) (or .cse7 .cse0 (and .cse8 .cse9 (= 0 ~waterLevel~0)) .cse6 .cse3) (or .cse7 .cse0 .cse5 .cse2 .cse3)))) [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point L109(lines 105 127) no Hoare annotation was computed. [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point L107(lines 105 127) no Hoare annotation was computed. [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2020-07-20 01:08:01,064 INFO L271 CegarLoopResult]: At program point L321(lines 296 325) the Hoare annotation is: true [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2020-07-20 01:08:01,064 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-20 01:08:01,065 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2020-07-20 01:08:01,065 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 01:08:01,065 INFO L271 CegarLoopResult]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2020-07-20 01:08:01,065 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 01:08:01,065 INFO L271 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2020-07-20 01:08:01,065 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-07-20 01:08:01,065 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-07-20 01:08:01,065 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:08:01,065 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:08:01,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: (let ((.cse4 (not (= 0 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse8 .cse6 .cse7 .cse5))) [2020-07-20 01:08:01,066 INFO L264 CegarLoopResult]: At program point L156(line 156) 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 (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse7 .cse6 .cse5))) [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2020-07-20 01:08:01,066 INFO L268 CegarLoopResult]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse1 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3) (or .cse7 .cse4 .cse5 .cse6 .cse3))) [2020-07-20 01:08:01,067 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 (= 0 ~pumpRunning~0) .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse3) (or .cse7 .cse4 .cse5 .cse6 .cse3))) [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-07-20 01:08:01,067 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or (not (= 0 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or .cse6 .cse7 .cse1 .cse4 .cse8 .cse3) (or .cse6 .cse7 .cse1 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse8 .cse3))) [2020-07-20 01:08:01,067 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:08:01,068 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:08:01,068 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:08:01,068 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:08:01,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:08:01 BoogieIcfgContainer [2020-07-20 01:08:01,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:08:01,097 INFO L168 Benchmark]: Toolchain (without parser) took 186034.13 ms. Allocated memory was 136.3 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 100.3 MB in the beginning and 226.6 MB in the end (delta: -126.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,098 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.24 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.9 MB in the beginning and 169.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,099 INFO L168 Benchmark]: Boogie Preprocessor took 91.42 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,099 INFO L168 Benchmark]: RCFGBuilder took 1157.29 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 194.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,100 INFO L168 Benchmark]: TraceAbstraction took 184035.71 ms. Allocated memory was 229.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 193.2 MB in the beginning and 226.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:01,101 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 136.3 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.24 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.9 MB in the beginning and 169.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.42 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.29 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 194.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184035.71 ms. Allocated memory was 229.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 193.2 MB in the beginning and 226.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) && 0 == waterLevel)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && 0 == waterLevel)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 108.0s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 89.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 75.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2519 SDtfs, 8833 SDslu, 5614 SDs, 0 SdLazy, 25315 SolverSat, 6996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3090 GetRequests, 2597 SyntacticMatches, 11 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8649 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4498occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 3315 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 6628 PreInvPairs, 7104 NumberOfFragments, 3667 HoareAnnotationTreeSize, 6628 FomulaSimplifications, 1329722026 FormulaSimplificationTreeSizeReduction, 23.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 1435143 FormulaSimplificationTreeSizeReductionInter, 51.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 4087 NumberOfCodeBlocks, 3771 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 4067 ConstructedInterpolants, 0 QuantifiedInterpolants, 2188162 SizeOfPredicates, 22 NumberOfNonLiveVariables, 6804 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 3782/4038 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...