/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:06,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:06,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:06,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:06,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:06,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:06,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:06,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:06,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:06,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:06,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:06,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:06,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:06,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:06,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:06,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:06,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:06,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:06,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:06,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:06,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:06,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:06,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:06,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:06,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:06,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:06,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:06,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:06,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:06,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:06,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:06,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:06,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:06,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:06,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:06,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:06,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:06,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:06,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:06,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:06,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:06,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:26:06,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:06,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:06,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:06,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:06,149 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:06,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:06,149 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:06,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:06,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:06,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:06,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:06,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:06,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:06,151 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:06,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:06,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:06,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:06,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:06,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:06,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:06,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:06,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:06,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:06,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:06,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:06,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:06,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:06,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:06,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:06,154 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 -> 4 [2020-07-20 16:26:06,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:06,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:06,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:06,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:06,496 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:06,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-20 16:26:06,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033839df9/b34bdec2086141b182dfcf4f4bba448a/FLAG1a591b84e [2020-07-20 16:26:07,106 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:07,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-20 16:26:07,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033839df9/b34bdec2086141b182dfcf4f4bba448a/FLAG1a591b84e [2020-07-20 16:26:07,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033839df9/b34bdec2086141b182dfcf4f4bba448a [2020-07-20 16:26:07,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:07,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:07,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:07,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:07,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:07,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d981b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07, skipping insertion in model container [2020-07-20 16:26:07,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:07" (1/1) ... [2020-07-20 16:26:07,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:07,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:07,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:08,023 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:08,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:08,148 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:08,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08 WrapperNode [2020-07-20 16:26:08,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:08,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:08,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:08,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:08,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... [2020-07-20 16:26:08,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:08,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:08,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:08,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:08,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:08,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:08,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:08,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:08,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:08,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:08,331 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:08,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:08,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:09,461 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:09,461 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:09,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:09 BoogieIcfgContainer [2020-07-20 16:26:09,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:09,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:09,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:09,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:09,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:07" (1/3) ... [2020-07-20 16:26:09,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39030feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:09, skipping insertion in model container [2020-07-20 16:26:09,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:08" (2/3) ... [2020-07-20 16:26:09,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39030feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:09, skipping insertion in model container [2020-07-20 16:26:09,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:09" (3/3) ... [2020-07-20 16:26:09,475 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-07-20 16:26:09,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:09,494 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:09,508 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:09,533 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:09,533 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:09,534 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:09,534 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:09,534 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:09,534 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:09,534 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:09,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-20 16:26:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:09,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:09,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:09,571 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:09,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:09,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1424451371, now seen corresponding path program 1 times [2020-07-20 16:26:09,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:09,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830874257] [2020-07-20 16:26:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:10,090 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:10,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:10,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:10,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:10,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:10,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830874257] [2020-07-20 16:26:10,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:10,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:10,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317969290] [2020-07-20 16:26:10,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:10,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:10,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:10,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:10,165 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2020-07-20 16:26:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:10,207 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2020-07-20 16:26:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:10,211 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:10,225 INFO L225 Difference]: With dead ends: 252 [2020-07-20 16:26:10,225 INFO L226 Difference]: Without dead ends: 128 [2020-07-20 16:26:10,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-20 16:26:10,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-20 16:26:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 16:26:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-07-20 16:26:10,299 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2020-07-20 16:26:10,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:10,300 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-07-20 16:26:10,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-07-20 16:26:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:10,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:10,305 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:10,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:10,519 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:10,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:10,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1343962066, now seen corresponding path program 1 times [2020-07-20 16:26:10,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:10,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58154212] [2020-07-20 16:26:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:10,940 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:10,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:10,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:10,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:10,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:10,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58154212] [2020-07-20 16:26:10,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:10,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:10,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869699053] [2020-07-20 16:26:10,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:10,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:10,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:10,986 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2020-07-20 16:26:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:11,007 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2020-07-20 16:26:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:11,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:11,011 INFO L225 Difference]: With dead ends: 188 [2020-07-20 16:26:11,011 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 16:26:11,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 16:26:11,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 16:26:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 16:26:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-07-20 16:26:11,029 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2020-07-20 16:26:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:11,029 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-07-20 16:26:11,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-07-20 16:26:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:11,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:11,033 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:11,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:11,247 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:11,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1988567769, now seen corresponding path program 1 times [2020-07-20 16:26:11,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:11,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954513077] [2020-07-20 16:26:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:11,702 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:11,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:11,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:11,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:11,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:11,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954513077] [2020-07-20 16:26:11,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:11,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:11,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442691034] [2020-07-20 16:26:11,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:11,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:11,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:11,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:11,749 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 3 states. [2020-07-20 16:26:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:11,781 INFO L93 Difference]: Finished difference Result 297 states and 354 transitions. [2020-07-20 16:26:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:11,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:11,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:11,785 INFO L225 Difference]: With dead ends: 297 [2020-07-20 16:26:11,786 INFO L226 Difference]: Without dead ends: 206 [2020-07-20 16:26:11,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:11,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-20 16:26:11,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 194. [2020-07-20 16:26:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-20 16:26:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 229 transitions. [2020-07-20 16:26:11,818 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 229 transitions. Word has length 65 [2020-07-20 16:26:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:11,818 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 229 transitions. [2020-07-20 16:26:11,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2020-07-20 16:26:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:11,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:11,821 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:12,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:12,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:12,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:12,037 INFO L82 PathProgramCache]: Analyzing trace with hash 827482166, now seen corresponding path program 1 times [2020-07-20 16:26:12,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:12,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915012329] [2020-07-20 16:26:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:12,470 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:12,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:12,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:12,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:12,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:12,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915012329] [2020-07-20 16:26:12,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:12,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:12,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221345237] [2020-07-20 16:26:12,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:12,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:12,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:12,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:12,532 INFO L87 Difference]: Start difference. First operand 194 states and 229 transitions. Second operand 6 states. [2020-07-20 16:26:12,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:12,759 INFO L93 Difference]: Finished difference Result 474 states and 584 transitions. [2020-07-20 16:26:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:12,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:12,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:12,764 INFO L225 Difference]: With dead ends: 474 [2020-07-20 16:26:12,764 INFO L226 Difference]: Without dead ends: 308 [2020-07-20 16:26:12,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:26:12,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-20 16:26:12,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 300. [2020-07-20 16:26:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-07-20 16:26:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 359 transitions. [2020-07-20 16:26:12,798 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 359 transitions. Word has length 70 [2020-07-20 16:26:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:12,799 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 359 transitions. [2020-07-20 16:26:12,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 359 transitions. [2020-07-20 16:26:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 16:26:12,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:12,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:13,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,016 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:13,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash 361073596, now seen corresponding path program 1 times [2020-07-20 16:26:13,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:13,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860496627] [2020-07-20 16:26:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,162 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:13,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:13,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:26:13,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:13,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:13,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860496627] [2020-07-20 16:26:13,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:13,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:13,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108689614] [2020-07-20 16:26:13,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:13,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:13,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:13,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:13,222 INFO L87 Difference]: Start difference. First operand 300 states and 359 transitions. Second operand 5 states. [2020-07-20 16:26:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:13,254 INFO L93 Difference]: Finished difference Result 586 states and 724 transitions. [2020-07-20 16:26:13,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:13,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-07-20 16:26:13,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:13,258 INFO L225 Difference]: With dead ends: 586 [2020-07-20 16:26:13,258 INFO L226 Difference]: Without dead ends: 314 [2020-07-20 16:26:13,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:13,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-07-20 16:26:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 308. [2020-07-20 16:26:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-20 16:26:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 367 transitions. [2020-07-20 16:26:13,283 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 367 transitions. Word has length 88 [2020-07-20 16:26:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:13,284 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 367 transitions. [2020-07-20 16:26:13,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 367 transitions. [2020-07-20 16:26:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 16:26:13,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:13,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:13,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,496 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:13,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1747276990, now seen corresponding path program 1 times [2020-07-20 16:26:13,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:13,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38193664] [2020-07-20 16:26:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,855 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:13,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:13,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:13,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:13,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:13,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38193664] [2020-07-20 16:26:13,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:13,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:13,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873053898] [2020-07-20 16:26:13,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:13,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:13,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:13,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:13,904 INFO L87 Difference]: Start difference. First operand 308 states and 367 transitions. Second operand 3 states. [2020-07-20 16:26:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:13,979 INFO L93 Difference]: Finished difference Result 844 states and 1073 transitions. [2020-07-20 16:26:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:13,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-20 16:26:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:13,984 INFO L225 Difference]: With dead ends: 844 [2020-07-20 16:26:13,985 INFO L226 Difference]: Without dead ends: 564 [2020-07-20 16:26:13,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-20 16:26:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 561. [2020-07-20 16:26:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-07-20 16:26:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 698 transitions. [2020-07-20 16:26:14,026 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 698 transitions. Word has length 88 [2020-07-20 16:26:14,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:14,026 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 698 transitions. [2020-07-20 16:26:14,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 698 transitions. [2020-07-20 16:26:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:26:14,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:14,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:14,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,245 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:14,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1000362859, now seen corresponding path program 1 times [2020-07-20 16:26:14,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:14,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175374169] [2020-07-20 16:26:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,625 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:14,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:14,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 16:26:14,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:14,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:14,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175374169] [2020-07-20 16:26:14,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:14,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:14,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540988280] [2020-07-20 16:26:14,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:14,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:14,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:14,718 INFO L87 Difference]: Start difference. First operand 561 states and 698 transitions. Second operand 6 states. [2020-07-20 16:26:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:15,748 INFO L93 Difference]: Finished difference Result 1888 states and 2533 transitions. [2020-07-20 16:26:15,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 16:26:15,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 16:26:15,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:15,764 INFO L225 Difference]: With dead ends: 1888 [2020-07-20 16:26:15,765 INFO L226 Difference]: Without dead ends: 1355 [2020-07-20 16:26:15,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 16:26:15,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2020-07-20 16:26:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1245. [2020-07-20 16:26:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-07-20 16:26:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1607 transitions. [2020-07-20 16:26:15,872 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1607 transitions. Word has length 92 [2020-07-20 16:26:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:15,874 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1607 transitions. [2020-07-20 16:26:15,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1607 transitions. [2020-07-20 16:26:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 16:26:15,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:15,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:16,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,093 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1750216773, now seen corresponding path program 1 times [2020-07-20 16:26:16,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120195430] [2020-07-20 16:26:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,508 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:16,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:16,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:16,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:16,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:16,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120195430] [2020-07-20 16:26:16,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:16,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:16,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12806388] [2020-07-20 16:26:16,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:16,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:16,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:16,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:16,540 INFO L87 Difference]: Start difference. First operand 1245 states and 1607 transitions. Second operand 6 states. [2020-07-20 16:26:16,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:16,621 INFO L93 Difference]: Finished difference Result 2482 states and 3256 transitions. [2020-07-20 16:26:16,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:16,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-20 16:26:16,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:16,631 INFO L225 Difference]: With dead ends: 2482 [2020-07-20 16:26:16,631 INFO L226 Difference]: Without dead ends: 1265 [2020-07-20 16:26:16,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-07-20 16:26:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1265. [2020-07-20 16:26:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-07-20 16:26:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1631 transitions. [2020-07-20 16:26:16,713 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1631 transitions. Word has length 88 [2020-07-20 16:26:16,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:16,713 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1631 transitions. [2020-07-20 16:26:16,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1631 transitions. [2020-07-20 16:26:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 16:26:16,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:16,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:16,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,933 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,934 INFO L82 PathProgramCache]: Analyzing trace with hash -364013379, now seen corresponding path program 1 times [2020-07-20 16:26:16,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544836605] [2020-07-20 16:26:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,073 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:17,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:17,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544836605] [2020-07-20 16:26:17,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:17,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:17,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134242072] [2020-07-20 16:26:17,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:17,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:17,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:17,109 INFO L87 Difference]: Start difference. First operand 1265 states and 1631 transitions. Second operand 5 states. [2020-07-20 16:26:17,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:17,171 INFO L93 Difference]: Finished difference Result 2360 states and 3110 transitions. [2020-07-20 16:26:17,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:17,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-07-20 16:26:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:17,179 INFO L225 Difference]: With dead ends: 2360 [2020-07-20 16:26:17,179 INFO L226 Difference]: Without dead ends: 1123 [2020-07-20 16:26:17,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-07-20 16:26:17,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2020-07-20 16:26:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-07-20 16:26:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1419 transitions. [2020-07-20 16:26:17,250 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1419 transitions. Word has length 88 [2020-07-20 16:26:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:17,251 INFO L479 AbstractCegarLoop]: Abstraction has 1123 states and 1419 transitions. [2020-07-20 16:26:17,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1419 transitions. [2020-07-20 16:26:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:26:17,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:17,313 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:17,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,514 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:17,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1797836392, now seen corresponding path program 1 times [2020-07-20 16:26:17,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:17,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551086895] [2020-07-20 16:26:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,824 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:17,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:17,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551086895] [2020-07-20 16:26:17,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:17,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:17,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356066630] [2020-07-20 16:26:17,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:17,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:17,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:17,916 INFO L87 Difference]: Start difference. First operand 1123 states and 1419 transitions. Second operand 10 states. [2020-07-20 16:26:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:19,413 INFO L93 Difference]: Finished difference Result 2933 states and 4126 transitions. [2020-07-20 16:26:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:19,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-07-20 16:26:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:19,430 INFO L225 Difference]: With dead ends: 2933 [2020-07-20 16:26:19,430 INFO L226 Difference]: Without dead ends: 1838 [2020-07-20 16:26:19,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-07-20 16:26:19,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1265. [2020-07-20 16:26:19,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-07-20 16:26:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1553 transitions. [2020-07-20 16:26:19,546 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1553 transitions. Word has length 92 [2020-07-20 16:26:19,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:19,547 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1553 transitions. [2020-07-20 16:26:19,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1553 transitions. [2020-07-20 16:26:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 16:26:19,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:19,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:19,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:19,770 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash -553431422, now seen corresponding path program 1 times [2020-07-20 16:26:19,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:19,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938805598] [2020-07-20 16:26:19,771 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,095 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:20,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:20,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938805598] [2020-07-20 16:26:20,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:20,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351098002] [2020-07-20 16:26:20,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:20,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:20,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:20,141 INFO L87 Difference]: Start difference. First operand 1265 states and 1553 transitions. Second operand 3 states. [2020-07-20 16:26:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,276 INFO L93 Difference]: Finished difference Result 2191 states and 2683 transitions. [2020-07-20 16:26:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:20,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-20 16:26:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,283 INFO L225 Difference]: With dead ends: 2191 [2020-07-20 16:26:20,284 INFO L226 Difference]: Without dead ends: 954 [2020-07-20 16:26:20,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-07-20 16:26:20,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 929. [2020-07-20 16:26:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-07-20 16:26:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1106 transitions. [2020-07-20 16:26:20,353 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1106 transitions. Word has length 133 [2020-07-20 16:26:20,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,354 INFO L479 AbstractCegarLoop]: Abstraction has 929 states and 1106 transitions. [2020-07-20 16:26:20,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1106 transitions. [2020-07-20 16:26:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 16:26:20,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,358 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:20,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,575 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1966372220, now seen corresponding path program 1 times [2020-07-20 16:26:20,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:20,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656317797] [2020-07-20 16:26:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 16:26:21,012 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:21,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:21,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:21,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:21,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:21,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656317797] [2020-07-20 16:26:21,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:21,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:21,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867017528] [2020-07-20 16:26:21,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:21,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:21,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:21,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:21,411 INFO L87 Difference]: Start difference. First operand 929 states and 1106 transitions. Second operand 10 states. [2020-07-20 16:26:22,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:22,161 INFO L93 Difference]: Finished difference Result 1937 states and 2323 transitions. [2020-07-20 16:26:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:22,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-07-20 16:26:22,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:22,163 INFO L225 Difference]: With dead ends: 1937 [2020-07-20 16:26:22,163 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:22,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:22,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:22,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-07-20 16:26:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:22,169 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:22,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:22,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:22,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:22,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:24,591 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2020-07-20 16:26:24,857 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-20 16:26:25,167 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-20 16:26:25,406 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-20 16:26:25,618 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 16:26:26,121 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 16:26:26,375 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 16:26:26,558 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 16:26:26,755 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-07-20 16:26:26,954 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-20 16:26:27,124 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-20 16:26:27,699 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-07-20 16:26:27,850 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 16:26:28,183 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 16:26:28,369 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-07-20 16:26:28,809 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 16:26:28,979 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-07-20 16:26:29,123 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-20 16:26:29,127 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 376) no Hoare annotation was computed. [2020-07-20 16:26:29,127 INFO L268 CegarLoopResult]: For program point L377(lines 354 378) no Hoare annotation was computed. [2020-07-20 16:26:29,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 330 385) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 330 385) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 330 385) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 16:26:29,128 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 437) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point L438(lines 411 439) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 386 445) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 386 445) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 386 445) no Hoare annotation was computed. [2020-07-20 16:26:29,129 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-20 16:26:29,130 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 16:26:29,130 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 16:26:29,130 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:26:29,130 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 16:26:29,131 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:26:29,131 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: true [2020-07-20 16:26:29,131 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2020-07-20 16:26:29,131 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2020-07-20 16:26:29,132 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (= 0 ~systemActive~0)) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:29,132 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 16:26:29,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2020-07-20 16:26:29,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2020-07-20 16:26:29,133 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:26:29,133 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2020-07-20 16:26:29,134 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2020-07-20 16:26:29,134 INFO L268 CegarLoopResult]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2020-07-20 16:26:29,135 INFO L271 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: true [2020-07-20 16:26:29,135 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-20 16:26:29,135 INFO L264 CegarLoopResult]: At program point L802-1(line 802) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,135 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-07-20 16:26:29,135 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2020-07-20 16:26:29,135 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 16:26:29,135 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,136 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,136 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,136 INFO L264 CegarLoopResult]: At program point L796-1(line 796) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,136 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2020-07-20 16:26:29,136 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2020-07-20 16:26:29,136 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 747 770) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 747 770) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 747 770) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-07-20 16:26:29,137 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-07-20 16:26:29,138 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2020-07-20 16:26:29,139 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse3 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:29,139 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2020-07-20 16:26:29,139 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:29,139 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-20 16:26:29,139 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-20 16:26:29,139 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2020-07-20 16:26:29,139 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 199 234) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 199 234) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-20 16:26:29,140 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 199 234) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 284 329) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 284 329) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 284 329) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 597 642) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 597 642) no Hoare annotation was computed. [2020-07-20 16:26:29,141 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 597 642) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,142 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2020-07-20 16:26:29,142 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 179 189) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point L184-1(line 184) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2020-07-20 16:26:29,143 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2020-07-20 16:26:29,144 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-20 16:26:29,144 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2020-07-20 16:26:29,144 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2020-07-20 16:26:29,144 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:29,144 INFO L268 CegarLoopResult]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2020-07-20 16:26:29,144 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (and (= 0 processEnvironment_~tmp~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:29,144 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2020-07-20 16:26:29,145 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:29,145 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:29,145 INFO L268 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-07-20 16:26:29,145 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:29,145 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-20 16:26:29,146 INFO L268 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2020-07-20 16:26:29,146 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2020-07-20 16:26:29,146 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2020-07-20 16:26:29,146 INFO L264 CegarLoopResult]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:29,146 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,146 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:29,147 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-07-20 16:26:29,147 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-07-20 16:26:29,147 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2020-07-20 16:26:29,147 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-07-20 16:26:29,147 INFO L264 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,147 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:29,147 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-07-20 16:26:29,147 INFO L264 CegarLoopResult]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2020-07-20 16:26:29,148 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2020-07-20 16:26:29,148 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2020-07-20 16:26:29,148 INFO L268 CegarLoopResult]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 551 596) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point L565(lines 565 585) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 551 596) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 585) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 551 596) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point L919(lines 919 927) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 911 933) no Hoare annotation was computed. [2020-07-20 16:26:29,149 INFO L268 CegarLoopResult]: For program point L919-2(lines 919 927) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 911 933) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 448 550) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point L477(lines 477 493) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point L537(lines 537 544) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point L498(lines 497 517) no Hoare annotation was computed. [2020-07-20 16:26:29,150 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L494(lines 494 535) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 448 550) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L536(lines 536 547) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-20 16:26:29,151 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 448 550) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 517) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point L518(lines 496 519) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2020-07-20 16:26:29,152 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:29,152 INFO L268 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L271 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: true [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 16:26:29,153 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 902 910) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2020-07-20 16:26:29,154 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2020-07-20 16:26:29,155 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse4 (and .cse5 .cse2 .cse6)) (or (not (= 0 ~systemActive~0)) .cse3 .cse7) (or .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse7) (or .cse1 .cse4 (and .cse5 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse6) .cse7 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:29,155 INFO L264 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (<= ~waterLevel~0 2) .cse4 .cse5) .cse2 .cse3 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse7 .cse8 (and .cse9 .cse1 .cse10)) (let ((.cse11 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse11 .cse1 .cse4) .cse3 (and .cse11 .cse1 .cse10) .cse6 .cse12)) (or .cse0 .cse7 (and .cse1 .cse4 .cse5) .cse3) (or .cse7 .cse8 (and .cse9 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse10) .cse6 .cse12))) [2020-07-20 16:26:29,155 INFO L264 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 16:26:29,155 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse12 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 (and .cse0 .cse12 .cse2) .cse11 .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse10 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point L110(lines 106 128) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point L108(lines 106 128) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2020-07-20 16:26:29,156 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-20 16:26:29,156 INFO L271 CegarLoopResult]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2020-07-20 16:26:29,157 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-20 16:26:29,157 INFO L271 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2020-07-20 16:26:29,157 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-07-20 16:26:29,157 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-07-20 16:26:29,157 INFO L271 CegarLoopResult]: At program point L742(lines 717 746) the Hoare annotation is: true [2020-07-20 16:26:29,157 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-07-20 16:26:29,157 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:26:29,157 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L268 CegarLoopResult]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2020-07-20 16:26:29,158 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:29,158 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:29,158 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2020-07-20 16:26:29,158 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:26:29,159 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2020-07-20 16:26:29,159 INFO L268 CegarLoopResult]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2020-07-20 16:26:29,159 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2020-07-20 16:26:29,159 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 16:26:29,159 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-20 16:26:29,159 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-20 16:26:29,159 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-20 16:26:29,160 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-20 16:26:29,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:29 BoogieIcfgContainer [2020-07-20 16:26:29,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:29,180 INFO L168 Benchmark]: Toolchain (without parser) took 21692.12 ms. Allocated memory was 144.7 MB in the beginning and 477.6 MB in the end (delta: 332.9 MB). Free memory was 101.6 MB in the beginning and 265.5 MB in the end (delta: -163.8 MB). Peak memory consumption was 348.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,180 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.64 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,182 INFO L168 Benchmark]: Boogie Preprocessor took 104.95 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,182 INFO L168 Benchmark]: RCFGBuilder took 1211.30 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 197.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,183 INFO L168 Benchmark]: TraceAbstraction took 19709.59 ms. Allocated memory was 235.4 MB in the beginning and 477.6 MB in the end (delta: 242.2 MB). Free memory was 197.5 MB in the beginning and 272.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.64 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.95 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.30 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 197.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19709.59 ms. Allocated memory was 235.4 MB in the beginning and 477.6 MB in the end (delta: 242.2 MB). Free memory was 197.5 MB in the beginning and 272.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2008 SDtfs, 1301 SDslu, 3388 SDs, 0 SdLazy, 2132 SolverSat, 594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1209 GetRequests, 1139 SyntacticMatches, 7 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1265occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 737 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 3226 PreInvPairs, 3375 NumberOfFragments, 1912 HoareAnnotationTreeSize, 3226 FomulaSimplifications, 7736 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 13203 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1059 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1182 ConstructedInterpolants, 0 QuantifiedInterpolants, 207324 SizeOfPredicates, 31 NumberOfNonLiveVariables, 8223 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 124/142 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...