/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:02:09,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:02:09,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:02:09,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:02:09,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:02:09,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:02:09,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:02:09,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:02:09,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:02:09,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:02:09,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:02:09,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:02:09,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:02:09,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:02:09,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:02:09,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:02:09,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:02:09,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:02:09,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:02:09,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:02:09,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:02:09,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:02:09,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:02:09,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:02:09,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:02:09,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:02:09,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:02:09,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:02:09,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:02:09,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:02:09,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:02:09,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:02:09,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:02:09,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:02:09,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:02:09,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:02:09,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:02:09,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:02:09,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:02:09,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:02:09,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:02:09,830 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 13:02:09,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:02:09,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:02:09,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:02:09,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:02:09,847 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:02:09,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:02:09,847 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:02:09,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:02:09,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:02:09,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:02:09,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:02:09,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:02:09,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:02:09,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:02:09,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:02:09,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:02:09,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:02:09,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:02:09,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:02:09,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:02:09,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:02:09,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:09,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:02:09,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:02:09,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:02:09,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:02:09,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:09,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:02:09,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:02:09,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 [2020-07-20 13:02:10,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:02:10,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:02:10,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:02:10,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:02:10,153 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:02:10,155 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-20 13:02:10,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664c7e855/e8d38ce6022f43998011555e9f566f11/FLAG3028e9657 [2020-07-20 13:02:10,780 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:10,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-20 13:02:10,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664c7e855/e8d38ce6022f43998011555e9f566f11/FLAG3028e9657 [2020-07-20 13:02:11,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664c7e855/e8d38ce6022f43998011555e9f566f11 [2020-07-20 13:02:11,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:11,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:11,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:11,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:11,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:11,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53aa3d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11, skipping insertion in model container [2020-07-20 13:02:11,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:11,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:11,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:11,670 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:11,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:11,819 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:11,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11 WrapperNode [2020-07-20 13:02:11,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:11,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:11,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:11,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:11,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (1/1) ... [2020-07-20 13:02:11,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:11,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:11,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:11,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:11,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (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 13:02:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:02:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:02:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:02:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:02:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:02:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:02:13,065 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:02:13,066 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:02:13,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:13 BoogieIcfgContainer [2020-07-20 13:02:13,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:02:13,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:02:13,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:02:13,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:02:13,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:11" (1/3) ... [2020-07-20 13:02:13,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1318abd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:13, skipping insertion in model container [2020-07-20 13:02:13,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:11" (2/3) ... [2020-07-20 13:02:13,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1318abd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:13, skipping insertion in model container [2020-07-20 13:02:13,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:13" (3/3) ... [2020-07-20 13:02:13,080 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-07-20 13:02:13,091 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:02:13,099 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:02:13,114 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:02:13,140 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:02:13,140 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:02:13,141 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:02:13,141 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:02:13,141 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:02:13,141 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:02:13,142 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:02:13,142 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:02:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-20 13:02:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:02:13,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:13,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:13,178 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-07-20 13:02:13,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:13,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577003110] [2020-07-20 13:02:13,195 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:13,664 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:13,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:13,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:02:13,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:13,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:13,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577003110] [2020-07-20 13:02:13,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:13,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:02:13,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045890811] [2020-07-20 13:02:13,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:02:13,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:13,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:02:13,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:13,739 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2020-07-20 13:02:13,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:13,786 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2020-07-20 13:02:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:02:13,788 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:02:13,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:13,803 INFO L225 Difference]: With dead ends: 314 [2020-07-20 13:02:13,803 INFO L226 Difference]: Without dead ends: 159 [2020-07-20 13:02:13,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-20 13:02:13,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-07-20 13:02:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-20 13:02:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-20 13:02:13,869 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-07-20 13:02:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:13,870 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-20 13:02:13,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:02:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-20 13:02:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:02:13,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:13,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:14,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:14,082 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:14,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:14,083 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-07-20 13:02:14,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:14,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069278310] [2020-07-20 13:02:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:14,518 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:14,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:14,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:02:14,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:14,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:14,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069278310] [2020-07-20 13:02:14,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:14,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:14,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494125948] [2020-07-20 13:02:14,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:14,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:14,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:14,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:14,576 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2020-07-20 13:02:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:14,604 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2020-07-20 13:02:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:14,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:02:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:14,607 INFO L225 Difference]: With dead ends: 259 [2020-07-20 13:02:14,607 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 13:02:14,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 13:02:14,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-20 13:02:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-20 13:02:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-20 13:02:14,627 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-07-20 13:02:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:14,627 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-20 13:02:14,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-20 13:02:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:02:14,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:14,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:14,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:14,846 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:14,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-07-20 13:02:14,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:14,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881363491] [2020-07-20 13:02:14,849 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:15,176 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:15,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:15,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:02:15,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:15,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:15,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881363491] [2020-07-20 13:02:15,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:15,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:15,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643895310] [2020-07-20 13:02:15,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:15,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:15,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:15,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:15,214 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 3 states. [2020-07-20 13:02:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:15,235 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2020-07-20 13:02:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:15,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 13:02:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:15,238 INFO L225 Difference]: With dead ends: 272 [2020-07-20 13:02:15,238 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 13:02:15,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:15,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 13:02:15,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-20 13:02:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-20 13:02:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-07-20 13:02:15,260 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-07-20 13:02:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:15,260 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-07-20 13:02:15,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-07-20 13:02:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 13:02:15,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:15,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:15,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:15,485 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:15,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:15,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-07-20 13:02:15,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:15,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338818383] [2020-07-20 13:02:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:15,866 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:15,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:15,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:02:15,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:15,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:15,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338818383] [2020-07-20 13:02:15,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:15,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:15,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223286917] [2020-07-20 13:02:15,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:15,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:15,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:15,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:15,915 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 6 states. [2020-07-20 13:02:16,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:16,572 INFO L93 Difference]: Finished difference Result 369 states and 450 transitions. [2020-07-20 13:02:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:16,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-20 13:02:16,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:16,576 INFO L225 Difference]: With dead ends: 369 [2020-07-20 13:02:16,576 INFO L226 Difference]: Without dead ends: 247 [2020-07-20 13:02:16,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-20 13:02:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2020-07-20 13:02:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-20 13:02:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2020-07-20 13:02:16,605 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 75 [2020-07-20 13:02:16,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:16,605 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2020-07-20 13:02:16,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2020-07-20 13:02:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:02:16,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:16,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:16,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:16,823 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:16,824 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2020-07-20 13:02:16,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:16,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631808795] [2020-07-20 13:02:16,825 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:17,196 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:17,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:17,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:02:17,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:17,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:17,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631808795] [2020-07-20 13:02:17,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:17,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:17,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075219201] [2020-07-20 13:02:17,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:17,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:17,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:17,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:17,262 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 6 states. [2020-07-20 13:02:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:17,558 INFO L93 Difference]: Finished difference Result 624 states and 725 transitions. [2020-07-20 13:02:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:17,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-20 13:02:17,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:17,564 INFO L225 Difference]: With dead ends: 624 [2020-07-20 13:02:17,564 INFO L226 Difference]: Without dead ends: 421 [2020-07-20 13:02:17,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-07-20 13:02:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 417. [2020-07-20 13:02:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-20 13:02:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2020-07-20 13:02:17,604 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 89 [2020-07-20 13:02:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:17,605 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2020-07-20 13:02:17,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2020-07-20 13:02:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:02:17,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:17,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:17,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:17,821 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2020-07-20 13:02:17,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:17,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058582898] [2020-07-20 13:02:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:18,249 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:18,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:18,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:18,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:18,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:18,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058582898] [2020-07-20 13:02:18,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:18,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:18,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791117221] [2020-07-20 13:02:18,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:18,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:18,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:18,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:18,302 INFO L87 Difference]: Start difference. First operand 417 states and 472 transitions. Second operand 6 states. [2020-07-20 13:02:18,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:18,519 INFO L93 Difference]: Finished difference Result 809 states and 924 transitions. [2020-07-20 13:02:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:18,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:02:18,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:18,523 INFO L225 Difference]: With dead ends: 809 [2020-07-20 13:02:18,523 INFO L226 Difference]: Without dead ends: 420 [2020-07-20 13:02:18,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:18,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-07-20 13:02:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 416. [2020-07-20 13:02:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-07-20 13:02:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 469 transitions. [2020-07-20 13:02:18,551 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 469 transitions. Word has length 93 [2020-07-20 13:02:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:18,552 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 469 transitions. [2020-07-20 13:02:18,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 469 transitions. [2020-07-20 13:02:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 13:02:18,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:18,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:18,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:18,768 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:18,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:18,769 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2020-07-20 13:02:18,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:18,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124807422] [2020-07-20 13:02:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:19,081 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:19,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:19,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:19,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:19,165 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 13:02:19,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:19,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124807422] [2020-07-20 13:02:19,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:19,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:19,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886217251] [2020-07-20 13:02:19,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:19,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:19,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:19,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:19,168 INFO L87 Difference]: Start difference. First operand 416 states and 469 transitions. Second operand 6 states. [2020-07-20 13:02:19,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:19,228 INFO L93 Difference]: Finished difference Result 818 states and 942 transitions. [2020-07-20 13:02:19,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:19,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2020-07-20 13:02:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:19,234 INFO L225 Difference]: With dead ends: 818 [2020-07-20 13:02:19,234 INFO L226 Difference]: Without dead ends: 430 [2020-07-20 13:02:19,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-07-20 13:02:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 426. [2020-07-20 13:02:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-20 13:02:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 479 transitions. [2020-07-20 13:02:19,279 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 479 transitions. Word has length 109 [2020-07-20 13:02:19,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:19,279 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 479 transitions. [2020-07-20 13:02:19,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 479 transitions. [2020-07-20 13:02:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 13:02:19,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:19,281 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:19,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:19,490 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2020-07-20 13:02:19,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:19,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963734643] [2020-07-20 13:02:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:19,835 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:19,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:19,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:02:19,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:19,871 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 13:02:19,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:19,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963734643] [2020-07-20 13:02:19,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:19,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:02:19,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582348907] [2020-07-20 13:02:19,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:02:19,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:19,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:02:19,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:19,874 INFO L87 Difference]: Start difference. First operand 426 states and 479 transitions. Second operand 5 states. [2020-07-20 13:02:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:19,916 INFO L93 Difference]: Finished difference Result 838 states and 964 transitions. [2020-07-20 13:02:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:02:19,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-20 13:02:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:19,919 INFO L225 Difference]: With dead ends: 838 [2020-07-20 13:02:19,920 INFO L226 Difference]: Without dead ends: 440 [2020-07-20 13:02:19,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-07-20 13:02:19,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 434. [2020-07-20 13:02:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-20 13:02:19,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 487 transitions. [2020-07-20 13:02:19,946 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 487 transitions. Word has length 109 [2020-07-20 13:02:19,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:19,946 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 487 transitions. [2020-07-20 13:02:19,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:02:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 487 transitions. [2020-07-20 13:02:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 13:02:19,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:19,948 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:20,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:20,163 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:20,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2020-07-20 13:02:20,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:20,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555775531] [2020-07-20 13:02:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:20,489 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:20,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:20,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:02:20,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:20,557 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 13:02:20,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:20,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555775531] [2020-07-20 13:02:20,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:20,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:20,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673900312] [2020-07-20 13:02:20,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:20,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:20,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:20,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:20,560 INFO L87 Difference]: Start difference. First operand 434 states and 487 transitions. Second operand 3 states. [2020-07-20 13:02:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:20,613 INFO L93 Difference]: Finished difference Result 1158 states and 1355 transitions. [2020-07-20 13:02:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:20,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-07-20 13:02:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:20,618 INFO L225 Difference]: With dead ends: 1158 [2020-07-20 13:02:20,619 INFO L226 Difference]: Without dead ends: 752 [2020-07-20 13:02:20,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:20,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-07-20 13:02:20,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 749. [2020-07-20 13:02:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-07-20 13:02:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 862 transitions. [2020-07-20 13:02:20,663 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 862 transitions. Word has length 109 [2020-07-20 13:02:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:20,664 INFO L479 AbstractCegarLoop]: Abstraction has 749 states and 862 transitions. [2020-07-20 13:02:20,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 862 transitions. [2020-07-20 13:02:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 13:02:20,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:20,667 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:20,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:20,881 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:20,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2020-07-20 13:02:20,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:20,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819828280] [2020-07-20 13:02:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:21,234 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:21,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:21,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:21,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:21,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:21,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819828280] [2020-07-20 13:02:21,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:21,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:21,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889866461] [2020-07-20 13:02:21,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:21,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:21,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:21,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:21,326 INFO L87 Difference]: Start difference. First operand 749 states and 862 transitions. Second operand 8 states. [2020-07-20 13:02:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:21,680 INFO L93 Difference]: Finished difference Result 1455 states and 1685 transitions. [2020-07-20 13:02:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:21,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-20 13:02:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:21,685 INFO L225 Difference]: With dead ends: 1455 [2020-07-20 13:02:21,686 INFO L226 Difference]: Without dead ends: 734 [2020-07-20 13:02:21,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:21,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-07-20 13:02:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2020-07-20 13:02:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-07-20 13:02:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 837 transitions. [2020-07-20 13:02:21,756 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 837 transitions. Word has length 113 [2020-07-20 13:02:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:21,758 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 837 transitions. [2020-07-20 13:02:21,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 837 transitions. [2020-07-20 13:02:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-20 13:02:21,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:21,766 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:21,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:21,979 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:21,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:21,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2020-07-20 13:02:21,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:21,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486170130] [2020-07-20 13:02:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:22,411 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:22,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:22,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:22,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 13:02:22,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:22,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486170130] [2020-07-20 13:02:22,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:22,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:22,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405746101] [2020-07-20 13:02:22,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:22,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:22,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:22,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:22,526 INFO L87 Difference]: Start difference. First operand 734 states and 837 transitions. Second operand 8 states. [2020-07-20 13:02:23,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:23,029 INFO L93 Difference]: Finished difference Result 1317 states and 1513 transitions. [2020-07-20 13:02:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:23,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-07-20 13:02:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:23,033 INFO L225 Difference]: With dead ends: 1317 [2020-07-20 13:02:23,034 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:02:23,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:02:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:02:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:02:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:02:23,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-07-20 13:02:23,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:23,042 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:02:23,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:02:23,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:02:23,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:23,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:02:24,409 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2020-07-20 13:02:24,999 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-07-20 13:02:25,101 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2020-07-20 13:02:25,411 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 13:02:26,069 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 13:02:26,560 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2020-07-20 13:02:26,690 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2020-07-20 13:02:27,448 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 13:02:27,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 13:02:27,758 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2020-07-20 13:02:27,759 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2020-07-20 13:02:27,759 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2020-07-20 13:02:27,760 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2020-07-20 13:02:27,760 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,760 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:02:27,760 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,760 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,760 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 13:02:27,760 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 13:02:27,761 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 13:02:27,761 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,761 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,761 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,761 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:02:27,761 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 13:02:27,761 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 13:02:27,762 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 13:02:27,763 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 13:02:27,764 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-20 13:02:27,764 INFO L268 CegarLoopResult]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2020-07-20 13:02:27,764 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 13:02:27,764 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:27,764 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 13:02:27,764 INFO L268 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2020-07-20 13:02:27,764 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 13:02:27,765 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L268 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2020-07-20 13:02:27,765 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L268 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2020-07-20 13:02:27,765 INFO L271 CegarLoopResult]: At program point L1002(line 1002) the Hoare annotation is: true [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L959(lines 959 967) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L947(lines 947 955) no Hoare annotation was computed. [2020-07-20 13:02:27,766 INFO L268 CegarLoopResult]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:27,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:27,768 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,769 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,769 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 13:02:27,769 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 13:02:27,769 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2020-07-20 13:02:27,769 INFO L271 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: true [2020-07-20 13:02:27,769 INFO L268 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-07-20 13:02:27,769 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2020-07-20 13:02:27,769 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-20 13:02:27,770 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2020-07-20 13:02:27,771 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 13:02:27,771 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse3))) [2020-07-20 13:02:27,771 INFO L268 CegarLoopResult]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2020-07-20 13:02:27,771 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 13:02:27,771 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8))) (or .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse0 .cse4 .cse3))) [2020-07-20 13:02:27,772 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-07-20 13:02:27,772 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-20 13:02:27,772 INFO L268 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-07-20 13:02:27,772 INFO L268 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2020-07-20 13:02:27,772 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-07-20 13:02:27,772 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-07-20 13:02:27,772 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,773 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:27,773 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-20 13:02:27,773 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-20 13:02:27,773 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:27,773 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-20 13:02:27,773 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:27,774 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-20 13:02:27,774 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:27,774 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-20 13:02:27,774 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-20 13:02:27,774 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:27,774 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 13:02:27,775 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2020-07-20 13:02:27,776 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-07-20 13:02:27,777 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2020-07-20 13:02:27,777 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:27,778 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-20 13:02:27,778 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:27,779 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 13:02:27,780 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2020-07-20 13:02:27,781 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:27,781 INFO L268 CegarLoopResult]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-20 13:02:27,782 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L271 CegarLoopResult]: At program point L983(line 983) the Hoare annotation is: true [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,784 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 13:02:27,784 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-20 13:02:27,784 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-20 13:02:27,784 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 13:02:27,784 INFO L264 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse1 .cse5 .cse4) (or .cse2 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2020-07-20 13:02:27,784 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1) (or .cse5 .cse0 .cse3 .cse6))) [2020-07-20 13:02:27,785 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 13:02:27,785 INFO L268 CegarLoopResult]: For program point L782(lines 781 800) no Hoare annotation was computed. [2020-07-20 13:02:27,785 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2020-07-20 13:02:27,785 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2020-07-20 13:02:27,785 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 13:02:27,785 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 13:02:27,785 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 13:02:27,785 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 13:02:27,786 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 13:02:27,786 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 13:02:27,786 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 13:02:27,786 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 13:02:27,786 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 13:02:27,786 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 13:02:27,786 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-20 13:02:27,786 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-20 13:02:27,786 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-20 13:02:27,787 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 13:02:27,787 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-20 13:02:27,787 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-20 13:02:27,787 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 13:02:27,787 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 13:02:27,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,787 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:27,787 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:27,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:27,788 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2020-07-20 13:02:27,788 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-20 13:02:27,788 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2020-07-20 13:02:27,788 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:27,788 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 13:02:27,788 INFO L268 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-07-20 13:02:27,788 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2020-07-20 13:02:27,788 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not .cse2)) (or .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3))) [2020-07-20 13:02:27,789 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not .cse6)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse4) (or .cse6 .cse0 .cse5)))) [2020-07-20 13:02:27,789 INFO L268 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-07-20 13:02:27,789 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-20 13:02:27,789 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-20 13:02:27,789 INFO L268 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-07-20 13:02:27,789 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-20 13:02:27,789 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-20 13:02:27,790 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:02:27,790 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-20 13:02:27,790 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-20 13:02:27,790 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-20 13:02:27,790 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-20 13:02:27,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:27 BoogieIcfgContainer [2020-07-20 13:02:27,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:27,809 INFO L168 Benchmark]: Toolchain (without parser) took 16715.00 ms. Allocated memory was 145.2 MB in the beginning and 369.6 MB in the end (delta: 224.4 MB). Free memory was 100.8 MB in the beginning and 136.3 MB in the end (delta: -35.5 MB). Peak memory consumption was 237.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,810 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.41 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,811 INFO L168 Benchmark]: Boogie Preprocessor took 89.84 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,812 INFO L168 Benchmark]: RCFGBuilder took 1161.04 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 192.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,813 INFO L168 Benchmark]: TraceAbstraction took 14734.29 ms. Allocated memory was 236.5 MB in the beginning and 369.6 MB in the end (delta: 133.2 MB). Free memory was 191.4 MB in the beginning and 136.3 MB in the end (delta: 55.1 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:27,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.41 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.84 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.04 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 192.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14734.29 ms. Allocated memory was 236.5 MB in the beginning and 369.6 MB in the end (delta: 133.2 MB). Free memory was 191.4 MB in the beginning and 136.3 MB in the end (delta: 55.1 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2290 SDtfs, 954 SDslu, 4603 SDs, 0 SdLazy, 1107 SolverSat, 185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1036 GetRequests, 993 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=749occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 37 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1928 PreInvPairs, 1997 NumberOfFragments, 1738 HoareAnnotationTreeSize, 1928 FomulaSimplifications, 671 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 5362 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1040 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1029 ConstructedInterpolants, 0 QuantifiedInterpolants, 181051 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8388 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 65/65 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...