/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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:24,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:24,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:24,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:24,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:24,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:24,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:24,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:24,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:24,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:24,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:24,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:24,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:24,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:24,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:24,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:24,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:24,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:24,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:24,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:24,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:24,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:24,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:24,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:24,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:24,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:24,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:24,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:24,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:24,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:24,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:24,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:24,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:24,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:24,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:24,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:24,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:24,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:24,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:24,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:24,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:24,187 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 16:26:24,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:24,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:24,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:24,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:24,225 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:24,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:24,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:24,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:24,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:24,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:24,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:24,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:24,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:24,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:24,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:24,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:24,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:24,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:24,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:24,231 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 16:26:24,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:24,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:24,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:24,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:24,558 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:24,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 16:26:24,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c611e41d5/f5260a409c124a889ed26df4c5436de9/FLAG447523c96 [2020-07-20 16:26:25,102 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:25,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 16:26:25,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c611e41d5/f5260a409c124a889ed26df4c5436de9/FLAG447523c96 [2020-07-20 16:26:25,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c611e41d5/f5260a409c124a889ed26df4c5436de9 [2020-07-20 16:26:25,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:25,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:25,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:25,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:25,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:25,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:25" (1/1) ... [2020-07-20 16:26:25,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5d2c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:25, skipping insertion in model container [2020-07-20 16:26:25,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:25" (1/1) ... [2020-07-20 16:26:25,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:25,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:26,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:26,088 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:26,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:26,220 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:26,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26 WrapperNode [2020-07-20 16:26:26,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:26,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:26,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:26,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:26,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (1/1) ... [2020-07-20 16:26:26,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:26,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:26,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:26,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:26,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (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 16:26:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:26:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:27,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:27,480 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:27,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:27 BoogieIcfgContainer [2020-07-20 16:26:27,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:27,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:27,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:27,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:27,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:25" (1/3) ... [2020-07-20 16:26:27,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd03b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:27, skipping insertion in model container [2020-07-20 16:26:27,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:26" (2/3) ... [2020-07-20 16:26:27,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd03b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:27, skipping insertion in model container [2020-07-20 16:26:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:27" (3/3) ... [2020-07-20 16:26:27,494 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-20 16:26:27,505 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:27,513 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:27,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:27,554 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:27,554 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:27,554 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:27,555 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:27,555 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:27,555 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:27,555 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:27,555 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 16:26:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:27,595 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:27,596 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 16:26:27,596 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:27,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:27,603 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-07-20 16:26:27,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:27,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210978456] [2020-07-20 16:26:27,614 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 16:26:28,089 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:28,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:28,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:28,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:28,139 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 16:26:28,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:28,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210978456] [2020-07-20 16:26:28,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:28,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:28,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867796498] [2020-07-20 16:26:28,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:28,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:28,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:28,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:28,166 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-07-20 16:26:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:28,215 INFO L93 Difference]: Finished difference Result 294 states and 365 transitions. [2020-07-20 16:26:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:28,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:28,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:28,231 INFO L225 Difference]: With dead ends: 294 [2020-07-20 16:26:28,231 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 16:26:28,237 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 16:26:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 16:26:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 16:26:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 16:26:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-20 16:26:28,304 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-07-20 16:26:28,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:28,305 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-20 16:26:28,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-20 16:26:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:26:28,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:28,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:28,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:28,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:28,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:28,526 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-07-20 16:26:28,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:28,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465851977] [2020-07-20 16:26:28,530 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 16:26:29,038 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:29,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:29,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:29,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:29,119 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 16:26:29,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:29,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465851977] [2020-07-20 16:26:29,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:29,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:29,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448202691] [2020-07-20 16:26:29,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:29,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:29,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:29,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:29,126 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2020-07-20 16:26:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:29,180 INFO L93 Difference]: Finished difference Result 389 states and 474 transitions. [2020-07-20 16:26:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:29,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 16:26:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:29,187 INFO L225 Difference]: With dead ends: 389 [2020-07-20 16:26:29,187 INFO L226 Difference]: Without dead ends: 268 [2020-07-20 16:26:29,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 16:26:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-20 16:26:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264. [2020-07-20 16:26:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-07-20 16:26:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 319 transitions. [2020-07-20 16:26:29,245 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 319 transitions. Word has length 64 [2020-07-20 16:26:29,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:29,246 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 319 transitions. [2020-07-20 16:26:29,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 319 transitions. [2020-07-20 16:26:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:29,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:29,260 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 16:26:29,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:29,461 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:29,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:29,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-07-20 16:26:29,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:29,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881750835] [2020-07-20 16:26:29,464 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 16:26:29,924 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:29,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:29,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:29,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:29,999 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 16:26:29,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:29,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881750835] [2020-07-20 16:26:30,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:30,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:30,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077035889] [2020-07-20 16:26:30,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:30,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:30,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:30,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:30,004 INFO L87 Difference]: Start difference. First operand 264 states and 319 transitions. Second operand 6 states. [2020-07-20 16:26:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:30,291 INFO L93 Difference]: Finished difference Result 658 states and 839 transitions. [2020-07-20 16:26:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:30,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:30,298 INFO L225 Difference]: With dead ends: 658 [2020-07-20 16:26:30,298 INFO L226 Difference]: Without dead ends: 422 [2020-07-20 16:26:30,301 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 16:26:30,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-20 16:26:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-07-20 16:26:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-07-20 16:26:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 505 transitions. [2020-07-20 16:26:30,345 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 505 transitions. Word has length 70 [2020-07-20 16:26:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:30,345 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 505 transitions. [2020-07-20 16:26:30,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 505 transitions. [2020-07-20 16:26:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:30,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:30,348 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:30,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:30,562 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:30,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:30,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-07-20 16:26:30,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:30,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439714699] [2020-07-20 16:26:30,565 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 16:26:30,713 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:30,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:30,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:26:30,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:30,772 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 16:26:30,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:30,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439714699] [2020-07-20 16:26:30,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:30,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:30,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754971340] [2020-07-20 16:26:30,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:30,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:30,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:30,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:30,775 INFO L87 Difference]: Start difference. First operand 412 states and 505 transitions. Second operand 5 states. [2020-07-20 16:26:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:30,828 INFO L93 Difference]: Finished difference Result 810 states and 1040 transitions. [2020-07-20 16:26:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:30,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 16:26:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:30,833 INFO L225 Difference]: With dead ends: 810 [2020-07-20 16:26:30,834 INFO L226 Difference]: Without dead ends: 426 [2020-07-20 16:26:30,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 16:26:30,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-07-20 16:26:30,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 420. [2020-07-20 16:26:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-07-20 16:26:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 513 transitions. [2020-07-20 16:26:30,917 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 513 transitions. Word has length 107 [2020-07-20 16:26:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:30,918 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 513 transitions. [2020-07-20 16:26:30,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 513 transitions. [2020-07-20 16:26:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:30,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:30,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:31,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:31,140 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:31,140 INFO L82 PathProgramCache]: Analyzing trace with hash 555319895, now seen corresponding path program 1 times [2020-07-20 16:26:31,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:31,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825188193] [2020-07-20 16:26:31,141 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 16:26:31,393 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:26:31,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:31,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:31,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:31,425 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 16:26:31,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:31,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825188193] [2020-07-20 16:26:31,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:31,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:31,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746836449] [2020-07-20 16:26:31,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:31,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:31,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:31,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:31,428 INFO L87 Difference]: Start difference. First operand 420 states and 513 transitions. Second operand 3 states. [2020-07-20 16:26:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:31,447 INFO L93 Difference]: Finished difference Result 693 states and 821 transitions. [2020-07-20 16:26:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:31,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 16:26:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:31,450 INFO L225 Difference]: With dead ends: 693 [2020-07-20 16:26:31,451 INFO L226 Difference]: Without dead ends: 384 [2020-07-20 16:26:31,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 16:26:31,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-07-20 16:26:31,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2020-07-20 16:26:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-20 16:26:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2020-07-20 16:26:31,472 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 103 [2020-07-20 16:26:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:31,472 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2020-07-20 16:26:31,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2020-07-20 16:26:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:31,474 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:31,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:31,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:31,688 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:31,689 INFO L82 PathProgramCache]: Analyzing trace with hash -154595283, now seen corresponding path program 1 times [2020-07-20 16:26:31,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:31,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262740039] [2020-07-20 16:26:31,691 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 16:26:32,036 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:32,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:32,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:32,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:32,096 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 16:26:32,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:32,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262740039] [2020-07-20 16:26:32,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:32,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:32,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295279242] [2020-07-20 16:26:32,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:32,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:32,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:32,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:32,099 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 3 states. [2020-07-20 16:26:32,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:32,147 INFO L93 Difference]: Finished difference Result 1072 states and 1359 transitions. [2020-07-20 16:26:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:32,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-20 16:26:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:32,154 INFO L225 Difference]: With dead ends: 1072 [2020-07-20 16:26:32,154 INFO L226 Difference]: Without dead ends: 716 [2020-07-20 16:26:32,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 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 16:26:32,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-07-20 16:26:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 713. [2020-07-20 16:26:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-20 16:26:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 886 transitions. [2020-07-20 16:26:32,200 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 886 transitions. Word has length 107 [2020-07-20 16:26:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:32,204 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 886 transitions. [2020-07-20 16:26:32,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 886 transitions. [2020-07-20 16:26:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:32,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:32,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:32,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:32,422 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:32,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-07-20 16:26:32,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:32,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875162725] [2020-07-20 16:26:32,424 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 16:26:32,754 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:32,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:32,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:32,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:32,798 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 16:26:32,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:32,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875162725] [2020-07-20 16:26:32,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:32,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:32,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636077063] [2020-07-20 16:26:32,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:32,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:32,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:32,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:32,802 INFO L87 Difference]: Start difference. First operand 713 states and 886 transitions. Second operand 6 states. [2020-07-20 16:26:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:32,873 INFO L93 Difference]: Finished difference Result 1416 states and 1822 transitions. [2020-07-20 16:26:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:32,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-20 16:26:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:32,879 INFO L225 Difference]: With dead ends: 1416 [2020-07-20 16:26:32,879 INFO L226 Difference]: Without dead ends: 731 [2020-07-20 16:26:32,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 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 16:26:32,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-07-20 16:26:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 723. [2020-07-20 16:26:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-07-20 16:26:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 898 transitions. [2020-07-20 16:26:32,918 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 898 transitions. Word has length 107 [2020-07-20 16:26:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:32,918 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 898 transitions. [2020-07-20 16:26:32,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 898 transitions. [2020-07-20 16:26:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:32,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:32,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:33,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:33,130 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:33,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:33,130 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-07-20 16:26:33,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:33,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323519682] [2020-07-20 16:26:33,131 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 16:26:33,291 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:33,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:33,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:33,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:33,325 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 16:26:33,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:33,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323519682] [2020-07-20 16:26:33,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:33,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:33,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591890389] [2020-07-20 16:26:33,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:33,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:33,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:33,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:33,328 INFO L87 Difference]: Start difference. First operand 723 states and 898 transitions. Second operand 5 states. [2020-07-20 16:26:33,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:33,371 INFO L93 Difference]: Finished difference Result 1366 states and 1746 transitions. [2020-07-20 16:26:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:33,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 16:26:33,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:33,377 INFO L225 Difference]: With dead ends: 1366 [2020-07-20 16:26:33,377 INFO L226 Difference]: Without dead ends: 671 [2020-07-20 16:26:33,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 16:26:33,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-07-20 16:26:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2020-07-20 16:26:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-07-20 16:26:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 822 transitions. [2020-07-20 16:26:33,421 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 822 transitions. Word has length 107 [2020-07-20 16:26:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:33,421 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 822 transitions. [2020-07-20 16:26:33,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 822 transitions. [2020-07-20 16:26:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 16:26:33,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:33,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:33,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:33,638 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:33,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:33,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-07-20 16:26:33,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:33,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626022326] [2020-07-20 16:26:33,641 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 16:26:34,023 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:34,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:34,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:34,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:34,138 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 16:26:34,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:34,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626022326] [2020-07-20 16:26:34,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:34,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:34,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23468994] [2020-07-20 16:26:34,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:34,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:34,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:34,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:34,141 INFO L87 Difference]: Start difference. First operand 671 states and 822 transitions. Second operand 10 states. [2020-07-20 16:26:35,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:35,897 INFO L93 Difference]: Finished difference Result 1978 states and 2743 transitions. [2020-07-20 16:26:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:35,898 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-07-20 16:26:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:35,907 INFO L225 Difference]: With dead ends: 1978 [2020-07-20 16:26:35,908 INFO L226 Difference]: Without dead ends: 1335 [2020-07-20 16:26:35,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 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 16:26:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2020-07-20 16:26:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 978. [2020-07-20 16:26:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-07-20 16:26:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1205 transitions. [2020-07-20 16:26:35,976 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1205 transitions. Word has length 111 [2020-07-20 16:26:35,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:35,977 INFO L479 AbstractCegarLoop]: Abstraction has 978 states and 1205 transitions. [2020-07-20 16:26:35,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1205 transitions. [2020-07-20 16:26:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 16:26:35,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:35,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:36,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:36,195 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:36,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1275430475, now seen corresponding path program 1 times [2020-07-20 16:26:36,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:36,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053067216] [2020-07-20 16:26:36,197 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 16:26:36,640 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:36,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:36,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:36,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:36,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053067216] [2020-07-20 16:26:36,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:36,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:36,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832667618] [2020-07-20 16:26:36,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:36,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:36,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:36,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:36,683 INFO L87 Difference]: Start difference. First operand 978 states and 1205 transitions. Second operand 3 states. [2020-07-20 16:26:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:36,772 INFO L93 Difference]: Finished difference Result 1188 states and 1462 transitions. [2020-07-20 16:26:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:36,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-20 16:26:36,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:36,776 INFO L225 Difference]: With dead ends: 1188 [2020-07-20 16:26:36,776 INFO L226 Difference]: Without dead ends: 471 [2020-07-20 16:26:36,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 16:26:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-07-20 16:26:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2020-07-20 16:26:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-07-20 16:26:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 561 transitions. [2020-07-20 16:26:36,806 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 561 transitions. Word has length 152 [2020-07-20 16:26:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:36,806 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 561 transitions. [2020-07-20 16:26:36,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 561 transitions. [2020-07-20 16:26:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 16:26:36,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:36,809 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:37,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:37,024 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:37,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:37,024 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2020-07-20 16:26:37,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:37,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482163851] [2020-07-20 16:26:37,026 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 16:26:37,593 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:37,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:37,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:37,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:37,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 16:26:38,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482163851] [2020-07-20 16:26:38,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:38,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:38,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499707220] [2020-07-20 16:26:38,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:38,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:38,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:38,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:38,235 INFO L87 Difference]: Start difference. First operand 471 states and 561 transitions. Second operand 10 states. [2020-07-20 16:26:39,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:39,064 INFO L93 Difference]: Finished difference Result 1010 states and 1222 transitions. [2020-07-20 16:26:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:39,065 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-07-20 16:26:39,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:39,066 INFO L225 Difference]: With dead ends: 1010 [2020-07-20 16:26:39,069 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:39,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 327 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:39,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:39,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:39,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-07-20 16:26:39,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:39,075 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:39,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:39,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:39,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:39,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:41,484 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-20 16:26:41,810 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-20 16:26:42,073 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:42,232 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:42,457 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 16:26:42,562 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-07-20 16:26:42,978 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 16:26:43,197 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-20 16:26:43,535 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 16:26:43,852 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-20 16:26:44,353 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-20 16:26:44,504 INFO L268 CegarLoopResult]: For program point L544(lines 521 545) no Hoare annotation was computed. [2020-07-20 16:26:44,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2020-07-20 16:26:44,504 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-20 16:26:44,504 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2020-07-20 16:26:44,504 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point L605(lines 578 606) no Hoare annotation was computed. [2020-07-20 16:26:44,505 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-20 16:26:44,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2020-07-20 16:26:44,506 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-07-20 16:26:44,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2020-07-20 16:26:44,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2020-07-20 16:26:44,507 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-20 16:26:44,507 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2020-07-20 16:26:44,507 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 16:26:44,507 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-20 16:26:44,507 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-20 16:26:44,507 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-20 16:26:44,508 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-20 16:26:44,508 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-20 16:26:44,508 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) the Hoare annotation is: true [2020-07-20 16:26:44,508 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2020-07-20 16:26:44,508 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2020-07-20 16:26:44,508 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:44,508 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 16:26:44,509 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2020-07-20 16:26:44,509 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2020-07-20 16:26:44,509 INFO L264 CegarLoopResult]: At program point L881(line 881) 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 16:26:44,509 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2020-07-20 16:26:44,509 INFO L268 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-07-20 16:26:44,509 INFO L268 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2020-07-20 16:26:44,510 INFO L264 CegarLoopResult]: At program point L876(line 876) 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 16:26:44,510 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2020-07-20 16:26:44,510 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-20 16:26:44,510 INFO L268 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2020-07-20 16:26:44,510 INFO L268 CegarLoopResult]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2020-07-20 16:26:44,510 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-20 16:26:44,510 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-20 16:26:44,511 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 421 443) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,511 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2020-07-20 16:26:44,511 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,511 INFO L264 CegarLoopResult]: At program point L433-1(line 433) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,511 INFO L268 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-07-20 16:26:44,511 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2020-07-20 16:26:44,511 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 16:26:44,512 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2020-07-20 16:26:44,512 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,512 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,512 INFO L264 CegarLoopResult]: At program point L427-1(line 427) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,512 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-20 16:26:44,512 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2020-07-20 16:26:44,513 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-20 16:26:44,514 INFO L264 CegarLoopResult]: At program point L118(line 118) 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 16:26:44,515 INFO L268 CegarLoopResult]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2020-07-20 16:26:44,515 INFO L264 CegarLoopResult]: At program point L113(line 113) 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)|)) (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:44,515 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) 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 16:26:44,515 INFO L264 CegarLoopResult]: At program point L109(line 109) 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 16:26:44,515 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2020-07-20 16:26:44,516 INFO L268 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2020-07-20 16:26:44,516 INFO L264 CegarLoopResult]: At program point L105(line 105) 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 16:26:44,516 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-07-20 16:26:44,516 INFO L268 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2020-07-20 16:26:44,516 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2020-07-20 16:26:44,516 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 16:26:44,516 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-07-20 16:26:44,517 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 16:26:44,517 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2020-07-20 16:26:44,517 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2020-07-20 16:26:44,517 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2020-07-20 16:26:44,517 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2020-07-20 16:26:44,517 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2020-07-20 16:26:44,518 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-07-20 16:26:44,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2020-07-20 16:26:44,520 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-07-20 16:26:44,520 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-07-20 16:26:44,520 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2020-07-20 16:26:44,520 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 407 417) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,520 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,520 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2020-07-20 16:26:44,520 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2020-07-20 16:26:44,521 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2020-07-20 16:26:44,521 INFO L271 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: true [2020-07-20 16:26:44,521 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-20 16:26:44,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2020-07-20 16:26:44,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2020-07-20 16:26:44,521 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 175 182) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 16:26:44,521 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2020-07-20 16:26:44,521 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2020-07-20 16:26:44,522 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L268 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-07-20 16:26:44,522 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) 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 16:26:44,523 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 16:26:44,523 INFO L268 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-07-20 16:26:44,523 INFO L264 CegarLoopResult]: At program point L139(line 139) 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 16:26:44,523 INFO L264 CegarLoopResult]: At program point L135(line 135) 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 16:26:44,523 INFO L268 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-07-20 16:26:44,524 INFO L264 CegarLoopResult]: At program point L131(line 131) 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 16:26:44,524 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-07-20 16:26:44,524 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2020-07-20 16:26:44,524 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2020-07-20 16:26:44,524 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-20 16:26:44,524 INFO L264 CegarLoopResult]: At program point testENTRY(lines 277 342) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,524 INFO L268 CegarLoopResult]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2020-07-20 16:26:44,525 INFO L264 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:44,525 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:26:44,525 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-20 16:26:44,525 INFO L264 CegarLoopResult]: At program point L323-1(lines 317 330) 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(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:44,525 INFO L268 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-07-20 16:26:44,525 INFO L268 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-07-20 16:26:44,526 INFO L264 CegarLoopResult]: At program point L309(line 309) 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(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:44,526 INFO L268 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-07-20 16:26:44,526 INFO L268 CegarLoopResult]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2020-07-20 16:26:44,526 INFO L264 CegarLoopResult]: At program point L332(lines 287 334) 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)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:44,526 INFO L264 CegarLoopResult]: At program point L299(line 299) 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)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:44,526 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point L732(lines 732 752) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2020-07-20 16:26:44,527 INFO L268 CegarLoopResult]: For program point L738(lines 738 745) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) 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 16:26:44,528 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point L951(lines 951 959) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2020-07-20 16:26:44,528 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L704(lines 704 711) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L665(lines 664 684) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L661(lines 661 702) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 16:26:44,529 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L703(lines 703 714) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L685(lines 663 686) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point L644(lines 644 660) no Hoare annotation was computed. [2020-07-20 16:26:44,530 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 16:26:44,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2020-07-20 16:26:44,531 INFO L264 CegarLoopResult]: At program point L169(line 169) 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 16:26:44,532 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 158 174) 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 16:26:44,532 INFO L268 CegarLoopResult]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2020-07-20 16:26:44,532 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-20 16:26:44,532 INFO L264 CegarLoopResult]: At program point L163(line 163) 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 16:26:44,532 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 16:26:44,532 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2020-07-20 16:26:44,532 INFO L268 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-07-20 16:26:44,532 INFO L271 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: true [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-07-20 16:26:44,533 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point L246-1(line 246) no Hoare annotation was computed. [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2020-07-20 16:26:44,533 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 16:26:44,533 INFO L268 CegarLoopResult]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: true [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 16:26:44,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 16:26:44,535 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 16:26:44,535 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-20 16:26:44,535 INFO L264 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 16:26:44,535 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:44,536 INFO L268 CegarLoopResult]: For program point L71(lines 67 89) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L268 CegarLoopResult]: For program point L69(lines 67 89) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L271 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: true [2020-07-20 16:26:44,536 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-07-20 16:26:44,536 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-20 16:26:44,536 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: true [2020-07-20 16:26:44,537 INFO L271 CegarLoopResult]: At program point L370(lines 345 374) the Hoare annotation is: true [2020-07-20 16:26:44,537 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-20 16:26:44,537 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 16:26:44,537 INFO L271 CegarLoopResult]: At program point L359-1(lines 359 363) the Hoare annotation is: true [2020-07-20 16:26:44,537 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 16:26:44,538 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:44,538 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2020-07-20 16:26:44,538 INFO L268 CegarLoopResult]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2020-07-20 16:26:44,538 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-20 16:26:44,538 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2020-07-20 16:26:44,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,538 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:44,538 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:44,539 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:44,539 INFO L268 CegarLoopResult]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2020-07-20 16:26:44,539 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2020-07-20 16:26:44,539 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0))) (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse1 (and .cse8 (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))) [2020-07-20 16:26:44,539 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:26:44,539 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:26:44,539 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:26:44,540 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:26:44,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:44 BoogieIcfgContainer [2020-07-20 16:26:44,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:44,560 INFO L168 Benchmark]: Toolchain (without parser) took 19091.86 ms. Allocated memory was 146.3 MB in the beginning and 413.1 MB in the end (delta: 266.9 MB). Free memory was 103.2 MB in the beginning and 316.9 MB in the end (delta: -213.7 MB). Peak memory consumption was 280.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,560 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.96 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,562 INFO L168 Benchmark]: Boogie Preprocessor took 130.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 166.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,563 INFO L168 Benchmark]: RCFGBuilder took 1133.49 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.5 MB in the beginning and 189.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,563 INFO L168 Benchmark]: TraceAbstraction took 17071.27 ms. Allocated memory was 233.8 MB in the beginning and 413.1 MB in the end (delta: 179.3 MB). Free memory was 188.2 MB in the beginning and 316.9 MB in the end (delta: -128.7 MB). Peak memory consumption was 278.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:44,567 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.96 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 166.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1133.49 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.5 MB in the beginning and 189.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17071.27 ms. Allocated memory was 233.8 MB in the beginning and 413.1 MB in the end (delta: 179.3 MB). Free memory was 188.2 MB in the beginning and 316.9 MB in the end (delta: -128.7 MB). Peak memory consumption was 278.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2178 SDtfs, 1334 SDslu, 4014 SDs, 0 SdLazy, 1769 SolverSat, 545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1339 GetRequests, 1277 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=978occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 388 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2248 PreInvPairs, 2357 NumberOfFragments, 1983 HoareAnnotationTreeSize, 2248 FomulaSimplifications, 2025 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 7072 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1157 NumberOfCodeBlocks, 842 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1315 ConstructedInterpolants, 0 QuantifiedInterpolants, 275077 SizeOfPredicates, 27 NumberOfNonLiveVariables, 7696 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 138/160 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...