/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:05:18,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:05:18,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:05:18,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:05:18,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:05:18,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:05:18,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:05:18,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:05:18,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:05:18,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:05:18,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:05:18,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:05:18,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:05:18,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:05:18,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:05:18,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:05:18,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:05:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:05:18,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:05:18,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:05:18,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:05:18,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:05:18,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:05:18,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:05:18,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:05:18,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:05:18,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:05:18,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:05:18,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:05:18,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:05:18,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:05:18,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:05:18,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:05:18,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:05:18,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:05:18,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:05:18,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:05:18,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:05:18,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:05:18,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:05:18,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:05:18,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:05:18,411 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:05:18,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:05:18,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:05:18,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:05:18,413 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:05:18,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:05:18,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:05:18,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:05:18,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:05:18,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:05:18,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:05:18,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:05:18,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:05:18,415 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:05:18,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:05:18,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:05:18,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:05:18,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:05:18,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:05:18,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:05:18,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:05:18,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:18,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:05:18,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:05:18,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:05:18,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:05:18,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:05:18,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:05:18,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:05:18,717 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:05:18,718 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 13:05:18,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742c52779/5f5da0148a3f41f1be0c0310f6ccdd83/FLAG8f833aa14 [2020-07-20 13:05:19,269 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:05:19,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 13:05:19,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742c52779/5f5da0148a3f41f1be0c0310f6ccdd83/FLAG8f833aa14 [2020-07-20 13:05:19,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742c52779/5f5da0148a3f41f1be0c0310f6ccdd83 [2020-07-20 13:05:19,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:05:19,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:05:19,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:19,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:05:19,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:05:19,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a42d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19, skipping insertion in model container [2020-07-20 13:05:19,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:05:19,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:05:19,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:20,002 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:05:20,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:20,218 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:05:20,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20 WrapperNode [2020-07-20 13:05:20,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:20,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:05:20,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:05:20,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:05:20,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... [2020-07-20 13:05:20,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:05:20,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:05:20,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:05:20,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:05:20,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:05:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:05:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:05:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:05:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:05:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:05:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:05:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:05:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:05:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:05:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:05:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:05:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:05:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:05:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:05:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:05:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:05:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:05:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:05:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:05:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:05:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:05:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:05:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:05:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:05:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:05:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:05:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:05:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:05:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:05:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:05:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:05:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:05:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:05:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:05:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:05:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:05:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:05:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:05:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:05:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:05:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:05:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:05:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:05:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:05:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:05:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:05:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:05:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:05:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:05:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:05:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:05:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:05:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:05:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:05:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:05:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:05:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:05:21,782 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:05:21,783 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:05:21,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:21 BoogieIcfgContainer [2020-07-20 13:05:21,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:05:21,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:05:21,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:05:21,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:05:21,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:19" (1/3) ... [2020-07-20 13:05:21,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a31025c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:21, skipping insertion in model container [2020-07-20 13:05:21,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:20" (2/3) ... [2020-07-20 13:05:21,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a31025c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:21, skipping insertion in model container [2020-07-20 13:05:21,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:21" (3/3) ... [2020-07-20 13:05:21,799 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-20 13:05:21,811 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:05:21,819 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:05:21,835 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:05:21,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:05:21,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:05:21,862 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:05:21,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:05:21,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:05:21,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:05:21,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:05:21,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:05:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-20 13:05:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:05:21,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:21,902 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 13:05:21,903 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:21,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:21,910 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-20 13:05:21,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:21,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999798590] [2020-07-20 13:05:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:22,478 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:22,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:22,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:05:22,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:22,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:22,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999798590] [2020-07-20 13:05:22,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:22,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:05:22,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657708544] [2020-07-20 13:05:22,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:05:22,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:22,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:05:22,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:22,553 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 2 states. [2020-07-20 13:05:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:22,614 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2020-07-20 13:05:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:05:22,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:05:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:22,642 INFO L225 Difference]: With dead ends: 342 [2020-07-20 13:05:22,643 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 13:05:22,651 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 13:05:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 13:05:22,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-07-20 13:05:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-20 13:05:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-20 13:05:22,717 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-20 13:05:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:22,718 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-20 13:05:22,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:05:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-20 13:05:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:05:22,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:22,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:22,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:22,929 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:22,930 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-20 13:05:22,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:22,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509490608] [2020-07-20 13:05:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:23,417 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:23,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:23,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:05:23,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:23,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:23,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509490608] [2020-07-20 13:05:23,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:23,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:23,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226966654] [2020-07-20 13:05:23,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:23,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:23,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:23,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:23,491 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2020-07-20 13:05:23,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:23,538 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2020-07-20 13:05:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:23,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:05:23,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:23,544 INFO L225 Difference]: With dead ends: 281 [2020-07-20 13:05:23,544 INFO L226 Difference]: Without dead ends: 164 [2020-07-20 13:05:23,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-20 13:05:23,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-20 13:05:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-20 13:05:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-20 13:05:23,587 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-20 13:05:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:23,588 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-20 13:05:23,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-20 13:05:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:05:23,595 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:23,596 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, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:23,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:23,797 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:23,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:23,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-20 13:05:23,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:23,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192503460] [2020-07-20 13:05:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:24,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:24,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:24,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:24,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:24,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:24,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192503460] [2020-07-20 13:05:24,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:24,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:24,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313802118] [2020-07-20 13:05:24,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:24,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:24,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:24,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:24,257 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 3 states. [2020-07-20 13:05:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:24,295 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-20 13:05:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:24,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:05:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:24,300 INFO L225 Difference]: With dead ends: 432 [2020-07-20 13:05:24,300 INFO L226 Difference]: Without dead ends: 296 [2020-07-20 13:05:24,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:24,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-20 13:05:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 290. [2020-07-20 13:05:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-20 13:05:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-07-20 13:05:24,332 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 65 [2020-07-20 13:05:24,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:24,332 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-07-20 13:05:24,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-07-20 13:05:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:05:24,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:24,335 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 13:05:24,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:24,549 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:24,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:24,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-20 13:05:24,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:24,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499807225] [2020-07-20 13:05:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:25,001 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:25,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:25,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:25,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:25,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:25,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499807225] [2020-07-20 13:05:25,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:25,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:25,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223955603] [2020-07-20 13:05:25,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:25,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:25,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:25,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:25,058 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2020-07-20 13:05:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:25,306 INFO L93 Difference]: Finished difference Result 704 states and 879 transitions. [2020-07-20 13:05:25,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:25,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:05:25,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:25,310 INFO L225 Difference]: With dead ends: 704 [2020-07-20 13:05:25,311 INFO L226 Difference]: Without dead ends: 442 [2020-07-20 13:05:25,312 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 13:05:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-20 13:05:25,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2020-07-20 13:05:25,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-20 13:05:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2020-07-20 13:05:25,360 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 70 [2020-07-20 13:05:25,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:25,361 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2020-07-20 13:05:25,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2020-07-20 13:05:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 13:05:25,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:25,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:25,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:25,571 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:25,571 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-20 13:05:25,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:25,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222855955] [2020-07-20 13:05:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:26,095 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:26,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:26,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:26,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:26,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:26,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222855955] [2020-07-20 13:05:26,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:26,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:26,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639123001] [2020-07-20 13:05:26,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:26,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:26,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:26,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:26,147 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 6 states. [2020-07-20 13:05:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:26,197 INFO L93 Difference]: Finished difference Result 850 states and 1056 transitions. [2020-07-20 13:05:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:26,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-07-20 13:05:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:26,201 INFO L225 Difference]: With dead ends: 850 [2020-07-20 13:05:26,201 INFO L226 Difference]: Without dead ends: 446 [2020-07-20 13:05:26,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:05:26,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-07-20 13:05:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 442. [2020-07-20 13:05:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-20 13:05:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-20 13:05:26,227 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 113 [2020-07-20 13:05:26,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:26,227 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-20 13:05:26,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-20 13:05:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 13:05:26,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:26,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:26,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:26,443 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:26,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:26,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-20 13:05:26,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:26,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015582622] [2020-07-20 13:05:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:26,810 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:26,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:26,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:26,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:26,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:26,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015582622] [2020-07-20 13:05:26,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:26,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:26,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488776269] [2020-07-20 13:05:26,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:26,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:26,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:26,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:26,860 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 5 states. [2020-07-20 13:05:26,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:26,917 INFO L93 Difference]: Finished difference Result 870 states and 1076 transitions. [2020-07-20 13:05:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:26,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-20 13:05:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:26,924 INFO L225 Difference]: With dead ends: 870 [2020-07-20 13:05:26,927 INFO L226 Difference]: Without dead ends: 456 [2020-07-20 13:05:26,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-07-20 13:05:26,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2020-07-20 13:05:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-07-20 13:05:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 535 transitions. [2020-07-20 13:05:26,964 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 535 transitions. Word has length 113 [2020-07-20 13:05:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:26,965 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 535 transitions. [2020-07-20 13:05:26,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 535 transitions. [2020-07-20 13:05:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 13:05:26,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:26,969 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:27,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:27,182 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:27,183 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-20 13:05:27,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:27,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303726083] [2020-07-20 13:05:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:27,430 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:27,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:27,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:27,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:27,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:27,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303726083] [2020-07-20 13:05:27,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:27,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:27,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268290192] [2020-07-20 13:05:27,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:27,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:27,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:27,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:27,468 INFO L87 Difference]: Start difference. First operand 450 states and 535 transitions. Second operand 3 states. [2020-07-20 13:05:27,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:27,520 INFO L93 Difference]: Finished difference Result 1218 states and 1533 transitions. [2020-07-20 13:05:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:27,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-20 13:05:27,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:27,526 INFO L225 Difference]: With dead ends: 1218 [2020-07-20 13:05:27,526 INFO L226 Difference]: Without dead ends: 796 [2020-07-20 13:05:27,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-07-20 13:05:27,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2020-07-20 13:05:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-20 13:05:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 972 transitions. [2020-07-20 13:05:27,567 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 972 transitions. Word has length 113 [2020-07-20 13:05:27,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:27,568 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 972 transitions. [2020-07-20 13:05:27,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 972 transitions. [2020-07-20 13:05:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-20 13:05:27,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:27,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:27,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:27,785 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:27,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:27,786 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-20 13:05:27,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:27,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869096639] [2020-07-20 13:05:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:28,172 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:28,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:28,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:28,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:28,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:28,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869096639] [2020-07-20 13:05:28,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:28,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:28,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849934579] [2020-07-20 13:05:28,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:28,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:28,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:28,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:28,299 INFO L87 Difference]: Start difference. First operand 793 states and 972 transitions. Second operand 10 states. [2020-07-20 13:05:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:30,205 INFO L93 Difference]: Finished difference Result 2270 states and 3119 transitions. [2020-07-20 13:05:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:05:30,206 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2020-07-20 13:05:30,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:30,221 INFO L225 Difference]: With dead ends: 2270 [2020-07-20 13:05:30,221 INFO L226 Difference]: Without dead ends: 1505 [2020-07-20 13:05:30,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:05:30,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-20 13:05:30,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1130. [2020-07-20 13:05:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-07-20 13:05:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1387 transitions. [2020-07-20 13:05:30,350 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1387 transitions. Word has length 117 [2020-07-20 13:05:30,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:30,353 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1387 transitions. [2020-07-20 13:05:30,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1387 transitions. [2020-07-20 13:05:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 13:05:30,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:30,362 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:30,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:30,577 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:30,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:30,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1999881567, now seen corresponding path program 1 times [2020-07-20 13:05:30,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:30,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060201532] [2020-07-20 13:05:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:30,855 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:30,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:30,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:05:30,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:05:30,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:30,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060201532] [2020-07-20 13:05:30,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:30,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:30,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286975386] [2020-07-20 13:05:30,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:30,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:30,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:30,923 INFO L87 Difference]: Start difference. First operand 1130 states and 1387 transitions. Second operand 3 states. [2020-07-20 13:05:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:31,035 INFO L93 Difference]: Finished difference Result 1886 states and 2314 transitions. [2020-07-20 13:05:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:31,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-20 13:05:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:31,040 INFO L225 Difference]: With dead ends: 1886 [2020-07-20 13:05:31,040 INFO L226 Difference]: Without dead ends: 784 [2020-07-20 13:05:31,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-07-20 13:05:31,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 764. [2020-07-20 13:05:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-07-20 13:05:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 916 transitions. [2020-07-20 13:05:31,084 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 916 transitions. Word has length 158 [2020-07-20 13:05:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:31,084 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 916 transitions. [2020-07-20 13:05:31,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 916 transitions. [2020-07-20 13:05:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 13:05:31,088 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:31,088 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:31,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:31,303 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:31,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:31,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-20 13:05:31,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:31,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347700197] [2020-07-20 13:05:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:31,821 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:31,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:31,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:31,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:31,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 13:05:32,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347700197] [2020-07-20 13:05:32,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:32,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:32,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535966110] [2020-07-20 13:05:32,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:32,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:32,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:32,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:32,470 INFO L87 Difference]: Start difference. First operand 764 states and 916 transitions. Second operand 10 states. [2020-07-20 13:05:33,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:33,382 INFO L93 Difference]: Finished difference Result 1677 states and 2027 transitions. [2020-07-20 13:05:33,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:33,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-20 13:05:33,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:33,384 INFO L225 Difference]: With dead ends: 1677 [2020-07-20 13:05:33,384 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:33,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 377 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:33,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-20 13:05:33,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:33,392 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:33,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:33,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:33,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:33,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:35,621 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-20 13:05:36,145 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:05:36,573 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 13:05:36,934 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 13:05:37,119 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:37,254 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 13:05:37,543 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 13:05:37,881 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 13:05:38,398 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 13:05:38,532 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 13:05:38,980 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:39,138 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 13:05:39,312 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 13:05:39,802 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 13:05:39,835 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-20 13:05:39,835 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-20 13:05:39,835 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-20 13:05:39,835 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-20 13:05:39,836 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-20 13:05:39,836 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-20 13:05:39,836 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-20 13:05:39,836 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-20 13:05:39,836 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-20 13:05:39,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-20 13:05:39,838 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-20 13:05:39,838 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-20 13:05:39,839 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-20 13:05:39,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:39,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:39,839 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:39,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:39,839 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 13:05:39,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:39,840 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 13:05:39,840 INFO L264 CegarLoopResult]: At program point L77(line 77) 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 13:05:39,840 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:39,840 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 13:05:39,840 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 13:05:39,840 INFO L264 CegarLoopResult]: At program point L72(line 72) 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 13:05:39,840 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 13:05:39,841 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 13:05:39,841 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:39,841 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 13:05:39,841 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 13:05:39,841 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) 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 13:05:39,841 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-20 13:05:39,841 INFO L264 CegarLoopResult]: At program point L632(line 632) 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 13:05:39,842 INFO L264 CegarLoopResult]: At program point L632-1(line 632) 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 13:05:39,842 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-20 13:05:39,842 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-20 13:05:39,842 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-20 13:05:39,842 INFO L264 CegarLoopResult]: At program point L627(line 627) 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 13:05:39,842 INFO L264 CegarLoopResult]: At program point L626(line 626) 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 13:05:39,842 INFO L264 CegarLoopResult]: At program point L626-1(line 626) 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 13:05:39,843 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 13:05:39,843 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 13:05:39,844 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 13:05:39,845 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-20 13:05:39,845 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 13:05:39,845 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 13:05:39,845 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-20 13:05:39,845 INFO L264 CegarLoopResult]: At program point L253(line 253) 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 13:05:39,845 INFO L264 CegarLoopResult]: At program point L249(line 249) 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 13:05:39,847 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-20 13:05:39,847 INFO L264 CegarLoopResult]: At program point L245(line 245) 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 13:05:39,848 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-20 13:05:39,848 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-20 13:05:39,848 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) 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 13:05:39,848 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-20 13:05:39,848 INFO L264 CegarLoopResult]: At program point L258(line 258) 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 13:05:39,848 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-20 13:05:39,849 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:39,849 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:39,850 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-20 13:05:39,850 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-20 13:05:39,850 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-20 13:05:39,850 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-20 13:05:39,850 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-20 13:05:39,851 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-20 13:05:39,851 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-20 13:05:39,851 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-20 13:05:39,851 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-20 13:05:39,851 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-20 13:05:39,851 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-20 13:05:39,851 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-20 13:05:39,852 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 13:05:39,853 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 13:05:39,854 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 13:05:39,854 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-20 13:05:39,854 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) 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 13:05:39,854 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-20 13:05:39,854 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-20 13:05:39,855 INFO L264 CegarLoopResult]: At program point L611(line 611) 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 13:05:39,855 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-20 13:05:39,855 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-20 13:05:39,855 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-20 13:05:39,856 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-20 13:05:39,856 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-20 13:05:39,857 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-20 13:05:39,857 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-20 13:05:39,857 INFO L264 CegarLoopResult]: At program point L284(line 284) 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 13:05:39,857 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-20 13:05:39,857 INFO L264 CegarLoopResult]: At program point L279(line 279) 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 13:05:39,857 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-20 13:05:39,857 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) 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 13:05:39,858 INFO L264 CegarLoopResult]: At program point L275(line 275) 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 13:05:39,858 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-20 13:05:39,858 INFO L264 CegarLoopResult]: At program point L271(line 271) 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 13:05:39,858 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-20 13:05:39,858 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-20 13:05:39,858 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-20 13:05:39,858 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-20 13:05:39,859 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-20 13:05:39,859 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) 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 13:05:39,859 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-20 13:05:39,859 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) 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) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:39,859 INFO L264 CegarLoopResult]: At program point L120(line 120) 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) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:39,859 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-20 13:05:39,860 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-20 13:05:39,860 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-20 13:05:39,860 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-20 13:05:39,860 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:39,860 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:39,860 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-20 13:05:39,860 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) 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 (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:39,861 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-20 13:05:39,861 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:39,861 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-20 13:05:39,861 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-20 13:05:39,861 INFO L264 CegarLoopResult]: At program point L130(line 130) 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 (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:39,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-20 13:05:39,862 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-20 13:05:39,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-20 13:05:39,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) 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 13:05:39,863 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-20 13:05:39,863 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-20 13:05:39,863 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:05:39,864 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-20 13:05:39,865 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-20 13:05:39,865 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-20 13:05:39,865 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-20 13:05:39,865 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-20 13:05:39,866 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-20 13:05:39,867 INFO L264 CegarLoopResult]: At program point L303(line 303) 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 13:05:39,868 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-20 13:05:39,868 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-20 13:05:39,868 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) 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 13:05:39,868 INFO L264 CegarLoopResult]: At program point L309(line 309) 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 13:05:39,868 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-20 13:05:39,868 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-20 13:05:39,868 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-20 13:05:39,868 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-20 13:05:39,869 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 13:05:39,869 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-20 13:05:39,869 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,871 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) 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 13:05:39,871 INFO L264 CegarLoopResult]: At program point L187(line 187) 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 13:05:39,871 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-20 13:05:39,871 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-20 13:05:39,871 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 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 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 13:05:39,872 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-20 13:05:39,872 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-20 13:05:39,872 INFO L264 CegarLoopResult]: At program point L194(line 194) 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 13:05:39,872 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-20 13:05:39,872 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-20 13:05:39,872 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-20 13:05:39,872 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 13:05:39,872 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-20 13:05:39,872 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-20 13:05:39,873 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 13:05:39,873 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-20 13:05:39,873 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-20 13:05:39,873 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-20 13:05:39,873 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-20 13:05:39,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-20 13:05:39,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-20 13:05:39,873 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) 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 13:05:39,873 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-20 13:05:39,874 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-20 13:05:39,874 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-20 13:05:39,874 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-20 13:05:39,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,874 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 13:05:39,874 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:39,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:39,874 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-20 13:05:39,874 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2020-07-20 13:05:39,875 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-20 13:05:39,877 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) 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 13:05:39,877 INFO L264 CegarLoopResult]: At program point L223(line 223) 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 13:05:39,877 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-20 13:05:39,877 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-20 13:05:39,877 INFO L264 CegarLoopResult]: At program point L219(line 219) 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 13:05:39,877 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-20 13:05:39,877 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-20 13:05:39,878 INFO L264 CegarLoopResult]: At program point L232(line 232) 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 13:05:39,878 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-20 13:05:39,878 INFO L264 CegarLoopResult]: At program point L227(line 227) 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 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:39,878 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-20 13:05:39,878 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-20 13:05:39,878 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 13:05:39,878 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-20 13:05:39,879 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-20 13:05:39,879 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-20 13:05:39,879 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-20 13:05:39,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:39 BoogieIcfgContainer [2020-07-20 13:05:39,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:39,908 INFO L168 Benchmark]: Toolchain (without parser) took 20320.45 ms. Allocated memory was 138.9 MB in the beginning and 432.5 MB in the end (delta: 293.6 MB). Free memory was 102.2 MB in the beginning and 250.9 MB in the end (delta: -148.7 MB). Peak memory consumption was 308.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,908 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.08 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 172.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,917 INFO L168 Benchmark]: Boogie Preprocessor took 101.64 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,921 INFO L168 Benchmark]: RCFGBuilder took 1467.09 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.0 MB in the beginning and 193.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,922 INFO L168 Benchmark]: TraceAbstraction took 18115.05 ms. Allocated memory was 237.0 MB in the beginning and 432.5 MB in the end (delta: 195.6 MB). Free memory was 191.7 MB in the beginning and 250.9 MB in the end (delta: -59.2 MB). Peak memory consumption was 300.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:39,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.08 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 172.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.64 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1467.09 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.0 MB in the beginning and 193.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18115.05 ms. Allocated memory was 237.0 MB in the beginning and 432.5 MB in the end (delta: 195.6 MB). Free memory was 191.7 MB in the beginning and 250.9 MB in the end (delta: -59.2 MB). Peak memory consumption was 300.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: 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)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2363 SDtfs, 1364 SDslu, 4163 SDs, 0 SdLazy, 2149 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1271 GetRequests, 1212 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 424 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 2302 PreInvPairs, 2419 NumberOfFragments, 2390 HoareAnnotationTreeSize, 2302 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 77 FomulaSimplificationsInter, 10078 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 304255 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7749 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 142/168 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...