/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_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:56,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:56,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:56,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:56,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:56,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:56,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:56,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:56,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:56,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:56,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:56,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:56,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:56,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:56,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:56,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:56,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:56,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:56,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:56,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:56,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:56,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:56,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:56,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:56,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:56,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:56,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:56,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:56,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:56,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:56,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:56,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:56,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:56,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:56,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:56,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:56,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:56,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:56,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:56,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:56,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:56,140 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 [2020-07-21 15:40:56,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:56,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:56,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:56,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:56,158 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:56,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:56,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:56,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:56,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:56,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:56,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:56,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:56,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:56,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:56,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:56,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:56,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:56,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:56,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:56,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:56,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:56,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:56,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:56,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:56,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:56,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:56,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:56,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:56,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:56,164 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_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:40:56,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:56,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:56,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:56,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:56,463 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:56,464 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-07-21 15:40:56,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050ace55d/45bbcada7af34e22a2fdc411c047d81b/FLAG137d6947c [2020-07-21 15:40:57,022 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:57,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-07-21 15:40:57,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050ace55d/45bbcada7af34e22a2fdc411c047d81b/FLAG137d6947c [2020-07-21 15:40:57,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050ace55d/45bbcada7af34e22a2fdc411c047d81b [2020-07-21 15:40:57,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:57,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:57,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:57,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:57,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:57,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:57" (1/1) ... [2020-07-21 15:40:57,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7802ee1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:57, skipping insertion in model container [2020-07-21 15:40:57,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:57" (1/1) ... [2020-07-21 15:40:57,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:57,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:57,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:57,795 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:57,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:58,008 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:58,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58 WrapperNode [2020-07-21 15:40:58,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:58,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:58,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:58,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:58,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (1/1) ... [2020-07-21 15:40:58,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:58,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:58,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:58,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:58,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (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 [2020-07-21 15:40:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:40:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:40:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:40:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:40:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:40:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:40:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:59,334 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:59,336 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:59,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:59 BoogieIcfgContainer [2020-07-21 15:40:59,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:59,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:59,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:59,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:59,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:57" (1/3) ... [2020-07-21 15:40:59,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70be408c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:59, skipping insertion in model container [2020-07-21 15:40:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:58" (2/3) ... [2020-07-21 15:40:59,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70be408c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:59, skipping insertion in model container [2020-07-21 15:40:59,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:59" (3/3) ... [2020-07-21 15:40:59,355 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-07-21 15:40:59,366 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:59,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:59,392 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:59,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:59,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:59,414 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:59,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:59,415 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:59,415 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:59,415 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:59,415 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-07-21 15:40:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:59,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:59,450 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] [2020-07-21 15:40:59,451 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:59,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2020-07-21 15:40:59,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:59,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492468642] [2020-07-21 15:40:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:00,001 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:00,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:00,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:41:00,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:00,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:00,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492468642] [2020-07-21 15:41:00,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:00,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:41:00,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598107831] [2020-07-21 15:41:00,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:41:00,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:00,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:41:00,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:00,084 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2020-07-21 15:41:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:00,133 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2020-07-21 15:41:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:41:00,135 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:41:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:00,149 INFO L225 Difference]: With dead ends: 306 [2020-07-21 15:41:00,149 INFO L226 Difference]: Without dead ends: 155 [2020-07-21 15:41:00,154 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 [2020-07-21 15:41:00,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-21 15:41:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-07-21 15:41:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-21 15:41:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2020-07-21 15:41:00,215 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2020-07-21 15:41:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:00,216 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2020-07-21 15:41:00,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:41:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2020-07-21 15:41:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:41:00,220 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:00,220 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] [2020-07-21 15:41:00,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:00,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:00,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:00,436 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2020-07-21 15:41:00,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:00,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17599048] [2020-07-21 15:41:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:00,896 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:00,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:00,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:41:00,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:00,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:00,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17599048] [2020-07-21 15:41:00,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:00,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:00,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91549119] [2020-07-21 15:41:00,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:00,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:00,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:00,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:00,963 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2020-07-21 15:41:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:01,013 INFO L93 Difference]: Finished difference Result 282 states and 345 transitions. [2020-07-21 15:41:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:01,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:41:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:01,019 INFO L225 Difference]: With dead ends: 282 [2020-07-21 15:41:01,019 INFO L226 Difference]: Without dead ends: 155 [2020-07-21 15:41:01,021 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 [2020-07-21 15:41:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-21 15:41:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-07-21 15:41:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-21 15:41:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2020-07-21 15:41:01,040 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 52 [2020-07-21 15:41:01,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:01,041 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2020-07-21 15:41:01,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2020-07-21 15:41:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 15:41:01,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:01,044 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] [2020-07-21 15:41:01,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:01,247 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:01,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:01,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1435838022, now seen corresponding path program 1 times [2020-07-21 15:41:01,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:01,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609613661] [2020-07-21 15:41:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:01,672 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:01,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:01,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:41:01,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:01,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:01,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609613661] [2020-07-21 15:41:01,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:01,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:01,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550089578] [2020-07-21 15:41:01,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:01,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:01,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:01,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:01,712 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 3 states. [2020-07-21 15:41:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:01,732 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2020-07-21 15:41:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:01,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-21 15:41:01,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:01,735 INFO L225 Difference]: With dead ends: 255 [2020-07-21 15:41:01,735 INFO L226 Difference]: Without dead ends: 146 [2020-07-21 15:41:01,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:01,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-21 15:41:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-21 15:41:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-21 15:41:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2020-07-21 15:41:01,753 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 70 [2020-07-21 15:41:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:01,754 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2020-07-21 15:41:01,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2020-07-21 15:41:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 15:41:01,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:01,757 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] [2020-07-21 15:41:01,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:01,972 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:01,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:01,972 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2020-07-21 15:41:01,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:01,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102194293] [2020-07-21 15:41:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:02,300 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:02,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:02,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:41:02,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:02,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:02,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102194293] [2020-07-21 15:41:02,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:02,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:02,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437468553] [2020-07-21 15:41:02,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:02,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:02,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:02,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:02,344 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2020-07-21 15:41:02,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:02,383 INFO L93 Difference]: Finished difference Result 264 states and 320 transitions. [2020-07-21 15:41:02,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:02,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-21 15:41:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:02,388 INFO L225 Difference]: With dead ends: 264 [2020-07-21 15:41:02,388 INFO L226 Difference]: Without dead ends: 261 [2020-07-21 15:41:02,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:02,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-21 15:41:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2020-07-21 15:41:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-07-21 15:41:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2020-07-21 15:41:02,426 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 74 [2020-07-21 15:41:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:02,427 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2020-07-21 15:41:02,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2020-07-21 15:41:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 15:41:02,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:02,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:02,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:02,646 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:02,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:02,647 INFO L82 PathProgramCache]: Analyzing trace with hash -519380979, now seen corresponding path program 1 times [2020-07-21 15:41:02,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:02,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531028252] [2020-07-21 15:41:02,648 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:02,953 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:02,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:41:02,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 15:41:03,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:03,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531028252] [2020-07-21 15:41:03,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:03,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:41:03,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429412974] [2020-07-21 15:41:03,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:41:03,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:03,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:41:03,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:41:03,051 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand 7 states. [2020-07-21 15:41:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:03,870 INFO L93 Difference]: Finished difference Result 637 states and 823 transitions. [2020-07-21 15:41:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:41:03,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-07-21 15:41:03,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:03,875 INFO L225 Difference]: With dead ends: 637 [2020-07-21 15:41:03,876 INFO L226 Difference]: Without dead ends: 404 [2020-07-21 15:41:03,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:41:03,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-07-21 15:41:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 380. [2020-07-21 15:41:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-21 15:41:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 463 transitions. [2020-07-21 15:41:03,917 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 463 transitions. Word has length 122 [2020-07-21 15:41:03,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:03,918 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 463 transitions. [2020-07-21 15:41:03,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:41:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 463 transitions. [2020-07-21 15:41:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-07-21 15:41:03,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:03,922 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:04,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:04,136 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:04,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:04,137 INFO L82 PathProgramCache]: Analyzing trace with hash 38573823, now seen corresponding path program 1 times [2020-07-21 15:41:04,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:04,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588832860] [2020-07-21 15:41:04,138 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:04,478 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:04,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:04,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:41:04,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 44 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-07-21 15:41:04,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:41:04,737 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:41:04,808 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:41:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-07-21 15:41:05,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588832860] [2020-07-21 15:41:05,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:41:05,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 15:41:05,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843587800] [2020-07-21 15:41:05,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:05,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:05,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:05,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:05,109 INFO L87 Difference]: Start difference. First operand 380 states and 463 transitions. Second operand 6 states. [2020-07-21 15:41:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:05,744 INFO L93 Difference]: Finished difference Result 697 states and 873 transitions. [2020-07-21 15:41:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 15:41:05,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2020-07-21 15:41:05,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:05,751 INFO L225 Difference]: With dead ends: 697 [2020-07-21 15:41:05,752 INFO L226 Difference]: Without dead ends: 345 [2020-07-21 15:41:05,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 388 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 15:41:05,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-21 15:41:05,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 321. [2020-07-21 15:41:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-07-21 15:41:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 370 transitions. [2020-07-21 15:41:05,795 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 370 transitions. Word has length 197 [2020-07-21 15:41:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:05,798 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 370 transitions. [2020-07-21 15:41:05,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 370 transitions. [2020-07-21 15:41:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-21 15:41:05,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:05,804 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, 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] [2020-07-21 15:41:06,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:06,017 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:06,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:06,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1663644212, now seen corresponding path program 1 times [2020-07-21 15:41:06,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:06,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852660365] [2020-07-21 15:41:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:06,280 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:06,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:06,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:41:06,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 15:41:06,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:41:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-21 15:41:07,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852660365] [2020-07-21 15:41:07,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:41:07,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2020-07-21 15:41:07,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782574487] [2020-07-21 15:41:07,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 15:41:07,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:07,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 15:41:07,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:41:07,219 INFO L87 Difference]: Start difference. First operand 321 states and 370 transitions. Second operand 17 states. [2020-07-21 15:41:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:08,167 INFO L93 Difference]: Finished difference Result 851 states and 1023 transitions. [2020-07-21 15:41:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:41:08,169 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 180 [2020-07-21 15:41:08,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:08,175 INFO L225 Difference]: With dead ends: 851 [2020-07-21 15:41:08,175 INFO L226 Difference]: Without dead ends: 558 [2020-07-21 15:41:08,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2020-07-21 15:41:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-07-21 15:41:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 552. [2020-07-21 15:41:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-07-21 15:41:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 640 transitions. [2020-07-21 15:41:08,240 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 640 transitions. Word has length 180 [2020-07-21 15:41:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:08,242 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 640 transitions. [2020-07-21 15:41:08,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 15:41:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 640 transitions. [2020-07-21 15:41:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-07-21 15:41:08,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:08,255 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:08,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:08,469 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:08,470 INFO L82 PathProgramCache]: Analyzing trace with hash 636040609, now seen corresponding path program 1 times [2020-07-21 15:41:08,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:08,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190118218] [2020-07-21 15:41:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:08,691 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:08,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:08,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:41:08,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-21 15:41:08,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:08,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190118218] [2020-07-21 15:41:08,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:08,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:08,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29385147] [2020-07-21 15:41:08,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:08,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:08,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:08,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:08,764 INFO L87 Difference]: Start difference. First operand 552 states and 640 transitions. Second operand 6 states. [2020-07-21 15:41:08,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:08,819 INFO L93 Difference]: Finished difference Result 1088 states and 1278 transitions. [2020-07-21 15:41:08,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:08,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 253 [2020-07-21 15:41:08,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:08,823 INFO L225 Difference]: With dead ends: 1088 [2020-07-21 15:41:08,824 INFO L226 Difference]: Without dead ends: 564 [2020-07-21 15:41:08,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:41:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-21 15:41:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 562. [2020-07-21 15:41:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-07-21 15:41:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 650 transitions. [2020-07-21 15:41:08,889 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 650 transitions. Word has length 253 [2020-07-21 15:41:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:08,889 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 650 transitions. [2020-07-21 15:41:08,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 650 transitions. [2020-07-21 15:41:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-07-21 15:41:08,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:08,895 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:09,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:09,109 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:09,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:09,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1088801629, now seen corresponding path program 1 times [2020-07-21 15:41:09,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:09,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123037816] [2020-07-21 15:41:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:09,313 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:09,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:09,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:41:09,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-21 15:41:09,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:09,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123037816] [2020-07-21 15:41:09,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:09,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:41:09,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150348532] [2020-07-21 15:41:09,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:41:09,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:09,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:41:09,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:09,366 INFO L87 Difference]: Start difference. First operand 562 states and 650 transitions. Second operand 5 states. [2020-07-21 15:41:09,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:09,401 INFO L93 Difference]: Finished difference Result 1110 states and 1306 transitions. [2020-07-21 15:41:09,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:41:09,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-07-21 15:41:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:09,410 INFO L225 Difference]: With dead ends: 1110 [2020-07-21 15:41:09,411 INFO L226 Difference]: Without dead ends: 576 [2020-07-21 15:41:09,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:09,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-07-21 15:41:09,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 570. [2020-07-21 15:41:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-21 15:41:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 658 transitions. [2020-07-21 15:41:09,445 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 658 transitions. Word has length 253 [2020-07-21 15:41:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:09,446 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 658 transitions. [2020-07-21 15:41:09,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:41:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 658 transitions. [2020-07-21 15:41:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-07-21 15:41:09,450 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:09,451 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:09,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:09,664 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:09,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:09,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1238102792, now seen corresponding path program 1 times [2020-07-21 15:41:09,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:09,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983154444] [2020-07-21 15:41:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:09,906 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:09,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:09,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:41:09,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-21 15:41:10,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:10,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983154444] [2020-07-21 15:41:10,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:10,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:41:10,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930875769] [2020-07-21 15:41:10,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:41:10,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:10,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:41:10,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:10,023 INFO L87 Difference]: Start difference. First operand 570 states and 658 transitions. Second operand 8 states. [2020-07-21 15:41:10,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:10,410 INFO L93 Difference]: Finished difference Result 1110 states and 1287 transitions. [2020-07-21 15:41:10,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 15:41:10,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-07-21 15:41:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:10,414 INFO L225 Difference]: With dead ends: 1110 [2020-07-21 15:41:10,415 INFO L226 Difference]: Without dead ends: 568 [2020-07-21 15:41:10,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:10,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2020-07-21 15:41:10,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 568. [2020-07-21 15:41:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-07-21 15:41:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 645 transitions. [2020-07-21 15:41:10,444 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 645 transitions. Word has length 257 [2020-07-21 15:41:10,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:10,446 INFO L479 AbstractCegarLoop]: Abstraction has 568 states and 645 transitions. [2020-07-21 15:41:10,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:41:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 645 transitions. [2020-07-21 15:41:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-07-21 15:41:10,450 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:10,451 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:10,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:10,665 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:10,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:10,666 INFO L82 PathProgramCache]: Analyzing trace with hash 74779556, now seen corresponding path program 2 times [2020-07-21 15:41:10,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:10,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752525695] [2020-07-21 15:41:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:10,926 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:10,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:10,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:41:10,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-07-21 15:41:11,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:11,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752525695] [2020-07-21 15:41:11,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:11,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:11,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264355254] [2020-07-21 15:41:11,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:11,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:11,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:11,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:11,058 INFO L87 Difference]: Start difference. First operand 568 states and 645 transitions. Second operand 6 states. [2020-07-21 15:41:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:12,007 INFO L93 Difference]: Finished difference Result 1758 states and 2146 transitions. [2020-07-21 15:41:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:41:12,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 253 [2020-07-21 15:41:12,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:12,016 INFO L225 Difference]: With dead ends: 1758 [2020-07-21 15:41:12,017 INFO L226 Difference]: Without dead ends: 1218 [2020-07-21 15:41:12,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:41:12,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-07-21 15:41:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1020. [2020-07-21 15:41:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2020-07-21 15:41:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1211 transitions. [2020-07-21 15:41:12,091 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1211 transitions. Word has length 253 [2020-07-21 15:41:12,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:12,091 INFO L479 AbstractCegarLoop]: Abstraction has 1020 states and 1211 transitions. [2020-07-21 15:41:12,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1211 transitions. [2020-07-21 15:41:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-07-21 15:41:12,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:12,098 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:12,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:12,312 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:12,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:12,312 INFO L82 PathProgramCache]: Analyzing trace with hash -56311766, now seen corresponding path program 1 times [2020-07-21 15:41:12,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:12,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874842345] [2020-07-21 15:41:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:12,652 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:12,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:12,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:41:12,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-07-21 15:41:12,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:12,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874842345] [2020-07-21 15:41:12,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:12,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:41:12,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812853778] [2020-07-21 15:41:12,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:41:12,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:12,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:41:12,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:12,789 INFO L87 Difference]: Start difference. First operand 1020 states and 1211 transitions. Second operand 8 states. [2020-07-21 15:41:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:13,096 INFO L93 Difference]: Finished difference Result 1698 states and 2025 transitions. [2020-07-21 15:41:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 15:41:13,097 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-07-21 15:41:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:13,098 INFO L225 Difference]: With dead ends: 1698 [2020-07-21 15:41:13,098 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:41:13,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:41:13,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:41:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:41:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:41:13,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-07-21 15:41:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:13,107 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:41:13,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:41:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:41:13,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:41:13,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:13,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:41:15,070 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-21 15:41:15,194 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2020-07-21 15:41:15,406 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2020-07-21 15:41:15,662 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-07-21 15:41:16,278 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2020-07-21 15:41:16,524 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2020-07-21 15:41:16,665 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2020-07-21 15:41:17,111 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-07-21 15:41:17,272 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-07-21 15:41:17,511 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2020-07-21 15:41:17,634 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-07-21 15:41:17,853 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-21 15:41:18,322 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-07-21 15:41:18,557 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-07-21 15:41:18,736 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-07-21 15:41:18,920 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-07-21 15:41:19,074 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2020-07-21 15:41:19,189 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-21 15:41:19,558 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-21 15:41:20,244 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2020-07-21 15:41:20,781 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-07-21 15:41:20,998 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-07-21 15:41:21,332 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2020-07-21 15:41:21,337 INFO L268 CegarLoopResult]: For program point L286(lines 263 287) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2020-07-21 15:41:21,338 INFO L268 CegarLoopResult]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point L347(lines 320 348) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-07-21 15:41:21,339 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2020-07-21 15:41:21,340 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2020-07-21 15:41:21,340 INFO L268 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-07-21 15:41:21,340 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2020-07-21 15:41:21,340 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-21 15:41:21,340 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2020-07-21 15:41:21,340 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2020-07-21 15:41:21,341 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2020-07-21 15:41:21,341 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2020-07-21 15:41:21,341 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2020-07-21 15:41:21,341 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,341 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2020-07-21 15:41:21,341 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,342 INFO L264 CegarLoopResult]: At program point L175-1(line 175) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,342 INFO L268 CegarLoopResult]: For program point L173(lines 173 180) no Hoare annotation was computed. [2020-07-21 15:41:21,342 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2020-07-21 15:41:21,342 INFO L268 CegarLoopResult]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2020-07-21 15:41:21,342 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-21 15:41:21,342 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,342 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,343 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-21 15:41:21,343 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-21 15:41:21,344 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-21 15:41:21,345 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 15:41:21,345 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-21 15:41:21,345 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-21 15:41:21,345 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 15:41:21,345 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2020-07-21 15:41:21,345 INFO L268 CegarLoopResult]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2020-07-21 15:41:21,346 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4))) [2020-07-21 15:41:21,346 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-21 15:41:21,346 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2020-07-21 15:41:21,346 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-21 15:41:21,346 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-21 15:41:21,346 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-21 15:41:21,347 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-21 15:41:21,347 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-21 15:41:21,347 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-21 15:41:21,347 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2020-07-21 15:41:21,347 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-21 15:41:21,347 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2020-07-21 15:41:21,347 INFO L268 CegarLoopResult]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2020-07-21 15:41:21,347 INFO L271 CegarLoopResult]: At program point L999(line 999) the Hoare annotation is: true [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L999-1(line 999) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L956(lines 956 964) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2020-07-21 15:41:21,348 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point L967-1(line 967) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2020-07-21 15:41:21,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point L520(lines 520 540) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2020-07-21 15:41:21,350 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,351 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2020-07-21 15:41:21,351 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,351 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2020-07-21 15:41:21,351 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2020-07-21 15:41:21,351 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2020-07-21 15:41:21,351 INFO L271 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: true [2020-07-21 15:41:21,351 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-07-21 15:41:21,351 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2020-07-21 15:41:21,352 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 15:41:21,352 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2020-07-21 15:41:21,352 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2020-07-21 15:41:21,352 INFO L268 CegarLoopResult]: For program point L750(lines 750 756) no Hoare annotation was computed. [2020-07-21 15:41:21,352 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2020-07-21 15:41:21,352 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2020-07-21 15:41:21,352 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2020-07-21 15:41:21,353 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse1 .cse6 .cse5 .cse4))) [2020-07-21 15:41:21,353 INFO L268 CegarLoopResult]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-07-21 15:41:21,353 INFO L268 CegarLoopResult]: For program point L863(lines 863 880) no Hoare annotation was computed. [2020-07-21 15:41:21,353 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2020-07-21 15:41:21,353 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse1 .cse7 .cse6 .cse5))) [2020-07-21 15:41:21,353 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse3 .cse0 .cse4 .cse1) (or .cse3 .cse0 .cse5 .cse2 .cse6))) [2020-07-21 15:41:21,354 INFO L268 CegarLoopResult]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2020-07-21 15:41:21,354 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse4))) [2020-07-21 15:41:21,354 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8))) (or .cse1 .cse6 .cse5 .cse4))) [2020-07-21 15:41:21,354 INFO L268 CegarLoopResult]: For program point L867(lines 867 875) no Hoare annotation was computed. [2020-07-21 15:41:21,354 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2020-07-21 15:41:21,354 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2020-07-21 15:41:21,355 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-07-21 15:41:21,355 INFO L264 CegarLoopResult]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,355 INFO L268 CegarLoopResult]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2020-07-21 15:41:21,355 INFO L264 CegarLoopResult]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:41:21,355 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-21 15:41:21,355 INFO L264 CegarLoopResult]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse6 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse1 .cse6) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse5 .cse1 .cse6))) [2020-07-21 15:41:21,355 INFO L268 CegarLoopResult]: For program point L608(lines 607 652) no Hoare annotation was computed. [2020-07-21 15:41:21,356 INFO L268 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-07-21 15:41:21,356 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2020-07-21 15:41:21,356 INFO L268 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2020-07-21 15:41:21,356 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2020-07-21 15:41:21,356 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2020-07-21 15:41:21,356 INFO L264 CegarLoopResult]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2020-07-21 15:41:21,356 INFO L268 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2020-07-21 15:41:21,356 INFO L268 CegarLoopResult]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-21 15:41:21,357 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:41:21,357 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-21 15:41:21,358 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-21 15:41:21,359 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-21 15:41:21,359 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-21 15:41:21,359 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-21 15:41:21,359 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-21 15:41:21,359 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-21 15:41:21,359 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse2 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse2 .cse1))) [2020-07-21 15:41:21,359 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-21 15:41:21,360 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L446(lines 446 453) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L407(lines 406 426) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L438-1(line 438) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L403(lines 403 444) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L422-1(line 422) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-07-21 15:41:21,361 INFO L268 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point L427(lines 405 428) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point L386(lines 386 402) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2020-07-21 15:41:21,362 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,363 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:41:21,363 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,363 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 15:41:21,363 INFO L268 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-07-21 15:41:21,363 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2020-07-21 15:41:21,363 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 15:41:21,363 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~9) (= 0 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L982(lines 982 986) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L271 CegarLoopResult]: At program point L980(line 980) the Hoare annotation is: true [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L980-1(line 980) no Hoare annotation was computed. [2020-07-21 15:41:21,364 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-21 15:41:21,364 INFO L268 CegarLoopResult]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2020-07-21 15:41:21,365 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse4 .cse5 (= 0 ~pumpRunning~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse1 .cse3 .cse7 .cse8) (or .cse0 .cse1 .cse9 .cse3 .cse7 .cse10) (or .cse0 .cse3 .cse7 .cse11 .cse8) (or .cse0 .cse9 .cse3 .cse7 .cse11 .cse10) (or .cse0 .cse2 .cse11 (and .cse5 .cse6))))) [2020-07-21 15:41:21,366 INFO L264 CegarLoopResult]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0))) (let ((.cse7 (and .cse9 .cse10 .cse13)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and .cse10 .cse13)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (and .cse8 .cse9 .cse10 .cse13)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse5 .cse7) (or .cse0 (and .cse8 .cse9 .cse10 (<= 1 ~pumpRunning~0)) .cse11 .cse3 .cse5 .cse6 .cse12) (or .cse0 .cse2 .cse6 (and .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse4) (or .cse0 .cse1 .cse11 .cse3 .cse5 .cse12)))) [2020-07-21 15:41:21,366 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (and .cse4 .cse5 (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse1 .cse3 .cse7 .cse8) (or .cse0 .cse1 .cse9 .cse3 .cse7 .cse10) (or .cse0 .cse9 .cse2 .cse11 .cse10) (or .cse0 .cse3 .cse7 .cse11 .cse8) (or .cse0 .cse1 .cse9 .cse2 .cse3 .cse10) (or .cse0 .cse9 .cse3 .cse7 .cse11 .cse10) (or .cse0 .cse2 .cse11 (and .cse5 .cse6))))) [2020-07-21 15:41:21,366 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse4 .cse5)) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse3 .cse6 .cse7) (or .cse0 .cse8 .cse2 .cse7 .cse9) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse9) (or .cse0 .cse2 .cse7 (and .cse4 .cse5)))) [2020-07-21 15:41:21,366 INFO L268 CegarLoopResult]: For program point L779(lines 778 797) no Hoare annotation was computed. [2020-07-21 15:41:21,366 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2020-07-21 15:41:21,367 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2020-07-21 15:41:21,367 INFO L271 CegarLoopResult]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2020-07-21 15:41:21,367 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2020-07-21 15:41:21,367 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-21 15:41:21,367 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2020-07-21 15:41:21,367 INFO L271 CegarLoopResult]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2020-07-21 15:41:21,367 INFO L271 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: true [2020-07-21 15:41:21,367 INFO L268 CegarLoopResult]: For program point L90-1(line 90) no Hoare annotation was computed. [2020-07-21 15:41:21,367 INFO L271 CegarLoopResult]: At program point L109(lines 84 113) the Hoare annotation is: true [2020-07-21 15:41:21,367 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L268 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L268 CegarLoopResult]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse4 .cse0 .cse5 .cse1 .cse3))) [2020-07-21 15:41:21,368 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2020-07-21 15:41:21,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,368 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:41:21,369 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:21,369 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:21,369 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4))) [2020-07-21 15:41:21,369 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2020-07-21 15:41:21,369 INFO L264 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-21 15:41:21,369 INFO L268 CegarLoopResult]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2020-07-21 15:41:21,369 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 15:41:21,370 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point L815(lines 815 823) no Hoare annotation was computed. [2020-07-21 15:41:21,370 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point L811(lines 811 828) no Hoare annotation was computed. [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2020-07-21 15:41:21,370 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and .cse2 .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or .cse0 .cse1 .cse9 .cse3 .cse8 .cse5) (or .cse0 .cse1 .cse6 .cse9 .cse4 .cse5)))) [2020-07-21 15:41:21,370 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2020-07-21 15:41:21,371 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2020-07-21 15:41:21,371 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2020-07-21 15:41:21,371 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2020-07-21 15:41:21,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:41:21 BoogieIcfgContainer [2020-07-21 15:41:21,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:41:21,390 INFO L168 Benchmark]: Toolchain (without parser) took 24039.93 ms. Allocated memory was 143.7 MB in the beginning and 510.7 MB in the end (delta: 367.0 MB). Free memory was 100.4 MB in the beginning and 209.4 MB in the end (delta: -109.1 MB). Peak memory consumption was 385.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,391 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.03 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,392 INFO L168 Benchmark]: Boogie Preprocessor took 83.37 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 166.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,393 INFO L168 Benchmark]: RCFGBuilder took 1252.15 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 192.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,394 INFO L168 Benchmark]: TraceAbstraction took 22040.67 ms. Allocated memory was 232.3 MB in the beginning and 510.7 MB in the end (delta: 278.4 MB). Free memory was 191.0 MB in the beginning and 209.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 388.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:21,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.03 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.37 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 166.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1252.15 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 192.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22040.67 ms. Allocated memory was 232.3 MB in the beginning and 510.7 MB in the end (delta: 278.4 MB). Free memory was 191.0 MB in the beginning and 209.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 388.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && \old(pumpRunning) <= pumpRunning) || !(\old(waterLevel) <= 1)) || !(1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && \old(pumpRunning) <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2404 SDtfs, 1614 SDslu, 5150 SDs, 0 SdLazy, 2562 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2409 GetRequests, 2336 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1020occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 260 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2358 PreInvPairs, 2447 NumberOfFragments, 2948 HoareAnnotationTreeSize, 2358 FomulaSimplifications, 4929 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 12279 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2019 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2382 ConstructedInterpolants, 0 QuantifiedInterpolants, 713423 SizeOfPredicates, 32 NumberOfNonLiveVariables, 10386 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 1245/1295 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...