/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:24,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:24,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:24,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:24,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:24,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:24,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:24,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:24,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:24,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:24,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:24,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:24,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:24,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:24,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:24,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:24,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:24,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:24,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:24,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:24,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:24,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:24,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:24,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:24,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:24,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:24,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:24,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:24,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:24,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:24,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:24,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:24,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:24,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:24,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:24,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:24,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:24,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:24,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:24,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:24,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:24,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:24:24,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:24,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:24,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:24,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:24,480 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:24,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:24,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:24,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:24,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:24,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:24,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:24,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:24,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:24,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:24,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:24,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:24,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:24,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:24,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:24,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:24,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:24,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:24,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:24,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:24,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:24,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:24,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:24,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:24,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:24,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:24:24,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:24,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:24,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:24,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:24,843 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:24,843 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-20 16:24:24,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2d2c3f8/cc2e3bd3718d427da4f00dfd1760cb12/FLAG9e41259b1 [2020-07-20 16:24:25,430 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:25,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-20 16:24:25,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2d2c3f8/cc2e3bd3718d427da4f00dfd1760cb12/FLAG9e41259b1 [2020-07-20 16:24:25,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2d2c3f8/cc2e3bd3718d427da4f00dfd1760cb12 [2020-07-20 16:24:25,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:25,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:25,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:25,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:25,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:25,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:25" (1/1) ... [2020-07-20 16:24:25,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c01a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:25, skipping insertion in model container [2020-07-20 16:24:25,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:25" (1/1) ... [2020-07-20 16:24:25,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:25,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:26,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:26,324 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:26,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:26,503 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:26,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26 WrapperNode [2020-07-20 16:24:26,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:26,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:26,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:26,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:26,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... [2020-07-20 16:24:26,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:26,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:26,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:26,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:26,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:24:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:24:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 16:24:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:27,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:27,737 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:27 BoogieIcfgContainer [2020-07-20 16:24:27,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:27,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:27,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:27,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:27,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:25" (1/3) ... [2020-07-20 16:24:27,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b73459c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:27, skipping insertion in model container [2020-07-20 16:24:27,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:26" (2/3) ... [2020-07-20 16:24:27,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b73459c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:27, skipping insertion in model container [2020-07-20 16:24:27,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:27" (3/3) ... [2020-07-20 16:24:27,750 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-07-20 16:24:27,761 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:27,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:27,782 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:27,807 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:27,807 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:27,807 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:27,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:27,808 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:27,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:27,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:27,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-20 16:24:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:24:27,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:27,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:27,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:27,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:27,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2020-07-20 16:24:27,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:27,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211955911] [2020-07-20 16:24:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:28,373 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:28,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:28,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:28,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:28,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:28,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211955911] [2020-07-20 16:24:28,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:28,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:28,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986125344] [2020-07-20 16:24:28,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:28,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:28,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:28,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:28,464 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2020-07-20 16:24:28,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:28,511 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2020-07-20 16:24:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:28,512 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 16:24:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:28,526 INFO L225 Difference]: With dead ends: 254 [2020-07-20 16:24:28,527 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 16:24:28,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:28,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 16:24:28,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 16:24:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 16:24:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2020-07-20 16:24:28,591 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2020-07-20 16:24:28,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:28,592 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2020-07-20 16:24:28,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2020-07-20 16:24:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 16:24:28,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:28,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:28,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:28,810 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:28,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2020-07-20 16:24:28,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:28,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033155168] [2020-07-20 16:24:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:29,313 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:29,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:29,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:29,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:29,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:29,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033155168] [2020-07-20 16:24:29,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:29,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:29,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041251559] [2020-07-20 16:24:29,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:29,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:29,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:29,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:29,374 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2020-07-20 16:24:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:29,397 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2020-07-20 16:24:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:29,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 16:24:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:29,400 INFO L225 Difference]: With dead ends: 199 [2020-07-20 16:24:29,400 INFO L226 Difference]: Without dead ends: 118 [2020-07-20 16:24:29,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:29,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-20 16:24:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-07-20 16:24:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-20 16:24:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-07-20 16:24:29,417 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2020-07-20 16:24:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:29,418 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-07-20 16:24:29,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-07-20 16:24:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 16:24:29,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:29,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:29,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:29,635 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:29,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2020-07-20 16:24:29,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:29,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961572522] [2020-07-20 16:24:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:30,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:30,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:30,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:24:30,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:30,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:30,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961572522] [2020-07-20 16:24:30,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:30,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:30,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555573063] [2020-07-20 16:24:30,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:30,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:30,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:30,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:30,120 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 3 states. [2020-07-20 16:24:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:30,137 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2020-07-20 16:24:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:30,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 16:24:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:30,140 INFO L225 Difference]: With dead ends: 212 [2020-07-20 16:24:30,140 INFO L226 Difference]: Without dead ends: 118 [2020-07-20 16:24:30,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:30,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-20 16:24:30,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-07-20 16:24:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-20 16:24:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2020-07-20 16:24:30,156 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2020-07-20 16:24:30,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:30,157 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2020-07-20 16:24:30,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2020-07-20 16:24:30,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-20 16:24:30,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:30,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:30,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:30,377 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:30,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:30,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2020-07-20 16:24:30,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:30,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258268083] [2020-07-20 16:24:30,378 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:30,747 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:30,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:30,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:24:30,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:30,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:30,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258268083] [2020-07-20 16:24:30,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:30,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:30,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159964770] [2020-07-20 16:24:30,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:30,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:30,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:30,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:30,804 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 6 states. [2020-07-20 16:24:31,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:31,330 INFO L93 Difference]: Finished difference Result 277 states and 325 transitions. [2020-07-20 16:24:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:24:31,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-20 16:24:31,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:31,333 INFO L225 Difference]: With dead ends: 277 [2020-07-20 16:24:31,333 INFO L226 Difference]: Without dead ends: 183 [2020-07-20 16:24:31,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:24:31,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-20 16:24:31,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2020-07-20 16:24:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-20 16:24:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 204 transitions. [2020-07-20 16:24:31,357 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 204 transitions. Word has length 66 [2020-07-20 16:24:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:31,357 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 204 transitions. [2020-07-20 16:24:31,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 204 transitions. [2020-07-20 16:24:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-20 16:24:31,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:31,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:31,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:31,576 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:31,577 INFO L82 PathProgramCache]: Analyzing trace with hash 362669874, now seen corresponding path program 1 times [2020-07-20 16:24:31,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:31,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960100517] [2020-07-20 16:24:31,579 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:31,975 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:31,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:31,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:24:31,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:32,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:32,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960100517] [2020-07-20 16:24:32,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:32,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:32,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765143964] [2020-07-20 16:24:32,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:32,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:32,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:32,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:32,046 INFO L87 Difference]: Start difference. First operand 180 states and 204 transitions. Second operand 6 states. [2020-07-20 16:24:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:32,279 INFO L93 Difference]: Finished difference Result 477 states and 574 transitions. [2020-07-20 16:24:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:32,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-07-20 16:24:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:32,285 INFO L225 Difference]: With dead ends: 477 [2020-07-20 16:24:32,285 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 16:24:32,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:24:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 16:24:32,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2020-07-20 16:24:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 16:24:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 369 transitions. [2020-07-20 16:24:32,326 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 369 transitions. Word has length 80 [2020-07-20 16:24:32,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:32,327 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 369 transitions. [2020-07-20 16:24:32,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions. [2020-07-20 16:24:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:24:32,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:32,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:32,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:32,546 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2020-07-20 16:24:32,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:32,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489949154] [2020-07-20 16:24:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:32,685 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:24:32,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:32,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:24:32,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:32,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:32,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489949154] [2020-07-20 16:24:32,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:32,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:24:32,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445337038] [2020-07-20 16:24:32,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:24:32,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:32,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:24:32,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:24:32,742 INFO L87 Difference]: Start difference. First operand 317 states and 369 transitions. Second operand 5 states. [2020-07-20 16:24:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:32,784 INFO L93 Difference]: Finished difference Result 613 states and 723 transitions. [2020-07-20 16:24:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:24:32,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-07-20 16:24:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:32,788 INFO L225 Difference]: With dead ends: 613 [2020-07-20 16:24:32,788 INFO L226 Difference]: Without dead ends: 320 [2020-07-20 16:24:32,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:24:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-20 16:24:32,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317. [2020-07-20 16:24:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 16:24:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2020-07-20 16:24:32,820 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 84 [2020-07-20 16:24:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:32,821 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2020-07-20 16:24:32,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:24:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2020-07-20 16:24:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:24:32,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:32,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:33,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:33,037 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2020-07-20 16:24:33,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:33,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065881012] [2020-07-20 16:24:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:33,365 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:33,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:33,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:24:33,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:33,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:33,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065881012] [2020-07-20 16:24:33,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:33,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:33,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65592613] [2020-07-20 16:24:33,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:33,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:33,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:33,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:33,422 INFO L87 Difference]: Start difference. First operand 317 states and 368 transitions. Second operand 6 states. [2020-07-20 16:24:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:33,478 INFO L93 Difference]: Finished difference Result 617 states and 731 transitions. [2020-07-20 16:24:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:33,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 16:24:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:33,483 INFO L225 Difference]: With dead ends: 617 [2020-07-20 16:24:33,483 INFO L226 Difference]: Without dead ends: 324 [2020-07-20 16:24:33,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:24:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-07-20 16:24:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319. [2020-07-20 16:24:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 16:24:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 370 transitions. [2020-07-20 16:24:33,523 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 370 transitions. Word has length 84 [2020-07-20 16:24:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:33,524 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 370 transitions. [2020-07-20 16:24:33,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 370 transitions. [2020-07-20 16:24:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 16:24:33,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:33,526 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] [2020-07-20 16:24:33,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:33,740 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:33,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2020-07-20 16:24:33,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:33,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758871425] [2020-07-20 16:24:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:34,174 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:34,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:34,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 16:24:34,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:34,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:34,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758871425] [2020-07-20 16:24:34,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:34,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 16:24:34,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43135438] [2020-07-20 16:24:34,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 16:24:34,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:34,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 16:24:34,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 16:24:34,259 INFO L87 Difference]: Start difference. First operand 319 states and 370 transitions. Second operand 11 states. [2020-07-20 16:24:34,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:34,815 INFO L93 Difference]: Finished difference Result 821 states and 999 transitions. [2020-07-20 16:24:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:24:34,816 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2020-07-20 16:24:34,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:34,819 INFO L225 Difference]: With dead ends: 821 [2020-07-20 16:24:34,820 INFO L226 Difference]: Without dead ends: 526 [2020-07-20 16:24:34,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 16:24:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-07-20 16:24:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2020-07-20 16:24:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-07-20 16:24:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 610 transitions. [2020-07-20 16:24:34,856 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 610 transitions. Word has length 96 [2020-07-20 16:24:34,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:34,857 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 610 transitions. [2020-07-20 16:24:34,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 16:24:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 610 transitions. [2020-07-20 16:24:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-20 16:24:34,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:34,860 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] [2020-07-20 16:24:35,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:35,075 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:35,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2020-07-20 16:24:35,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:35,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161988453] [2020-07-20 16:24:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:35,482 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:35,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:35,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:24:35,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:35,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:35,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161988453] [2020-07-20 16:24:35,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:35,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:35,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798291647] [2020-07-20 16:24:35,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:35,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:35,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:35,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:35,552 INFO L87 Difference]: Start difference. First operand 520 states and 610 transitions. Second operand 6 states. [2020-07-20 16:24:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:35,710 INFO L93 Difference]: Finished difference Result 522 states and 613 transitions. [2020-07-20 16:24:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:35,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2020-07-20 16:24:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:35,712 INFO L225 Difference]: With dead ends: 522 [2020-07-20 16:24:35,712 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:24:35,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:24:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:24:35,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:24:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:24:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:24:35,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-20 16:24:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:35,716 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:24:35,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:24:35,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:24:35,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:35,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:36,862 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-07-20 16:24:37,389 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-07-20 16:24:37,989 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2020-07-20 16:24:38,522 INFO L268 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-07-20 16:24:38,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-07-20 16:24:38,522 INFO L268 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-07-20 16:24:38,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-07-20 16:24:38,524 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2020-07-20 16:24:38,524 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2020-07-20 16:24:38,525 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2020-07-20 16:24:38,525 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2020-07-20 16:24:38,525 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2020-07-20 16:24:38,525 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:24:38,525 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 16:24:38,525 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,526 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,526 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,526 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,526 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:24:38,526 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:24:38,526 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,526 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 16:24:38,527 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 16:24:38,528 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2020-07-20 16:24:38,529 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point L364-1(line 364) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2020-07-20 16:24:38,530 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-07-20 16:24:38,531 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-07-20 16:24:38,532 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-07-20 16:24:38,532 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,532 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:24:38,532 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:24:38,532 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2020-07-20 16:24:38,532 INFO L271 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: true [2020-07-20 16:24:38,532 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-07-20 16:24:38,532 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2020-07-20 16:24:38,533 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-07-20 16:24:38,534 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 16:24:38,534 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 16:24:38,534 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-07-20 16:24:38,534 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 16:24:38,534 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse1 (= 0 ~pumpRunning~0))) (or (and (<= 1 processEnvironment_~tmp~2) .cse1) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1)))))) [2020-07-20 16:24:38,535 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-20 16:24:38,535 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 16:24:38,535 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-07-20 16:24:38,535 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-20 16:24:38,535 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-07-20 16:24:38,535 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-07-20 16:24:38,535 INFO L264 CegarLoopResult]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,535 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-20 16:24:38,536 INFO L268 CegarLoopResult]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2020-07-20 16:24:38,536 INFO L264 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:38,536 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-20 16:24:38,536 INFO L264 CegarLoopResult]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:38,536 INFO L268 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2020-07-20 16:24:38,536 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:38,537 INFO L268 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-07-20 16:24:38,537 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:38,537 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-20 16:24:38,537 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-07-20 16:24:38,537 INFO L264 CegarLoopResult]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:38,537 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:38,537 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-20 16:24:38,538 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point L454(lines 454 462) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-07-20 16:24:38,539 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-07-20 16:24:38,540 INFO L268 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,541 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 16:24:38,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,542 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-20 16:24:38,542 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2020-07-20 16:24:38,542 INFO L268 CegarLoopResult]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2020-07-20 16:24:38,542 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:24:38,542 INFO L268 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2020-07-20 16:24:38,542 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2020-07-20 16:24:38,543 INFO L271 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: true [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-07-20 16:24:38,543 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2020-07-20 16:24:38,543 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2020-07-20 16:24:38,544 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2020-07-20 16:24:38,544 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2020-07-20 16:24:38,544 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2020-07-20 16:24:38,544 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-20 16:24:38,544 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:24:38,544 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-20 16:24:38,544 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,545 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 16:24:38,545 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 16:24:38,545 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-07-20 16:24:38,545 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0))) (let ((.cse3 (and .cse8 (not .cse1) .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse2 .cse3 (and .cse7 .cse6) (<= 1 ~pumpRunning~0)) (or .cse4 .cse0 .cse2 .cse6) (or .cse0 .cse8 .cse5)))) [2020-07-20 16:24:38,546 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-07-20 16:24:38,546 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-20 16:24:38,546 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-07-20 16:24:38,546 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 16:24:38,546 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 16:24:38,546 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 16:24:38,546 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 16:24:38,547 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 16:24:38,547 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 16:24:38,547 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 16:24:38,547 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 16:24:38,547 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 16:24:38,547 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 16:24:38,547 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2020-07-20 16:24:38,547 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2020-07-20 16:24:38,547 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2020-07-20 16:24:38,548 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-20 16:24:38,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2020-07-20 16:24:38,548 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-20 16:24:38,548 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2020-07-20 16:24:38,548 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse0 .cse1 .cse4))) [2020-07-20 16:24:38,548 INFO L268 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-07-20 16:24:38,548 INFO L268 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2020-07-20 16:24:38,549 INFO L268 CegarLoopResult]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2020-07-20 16:24:38,549 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:24:38,549 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-20 16:24:38,549 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-20 16:24:38,549 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-20 16:24:38,549 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-20 16:24:38,550 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (<= 1 ~pumpRunning~0))) [2020-07-20 16:24:38,550 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2020-07-20 16:24:38,550 INFO L268 CegarLoopResult]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2020-07-20 16:24:38,550 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 16:24:38,550 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 16:24:38,550 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,550 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:24:38,550 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:38,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:38,551 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2020-07-20 16:24:38,551 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-07-20 16:24:38,551 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2020-07-20 16:24:38,551 INFO L268 CegarLoopResult]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2020-07-20 16:24:38,551 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2020-07-20 16:24:38,551 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:24:38,552 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2020-07-20 16:24:38,552 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-07-20 16:24:38,552 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2020-07-20 16:24:38,552 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2020-07-20 16:24:38,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:38 BoogieIcfgContainer [2020-07-20 16:24:38,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:38,572 INFO L168 Benchmark]: Toolchain (without parser) took 12836.16 ms. Allocated memory was 140.5 MB in the beginning and 331.9 MB in the end (delta: 191.4 MB). Free memory was 104.6 MB in the beginning and 281.3 MB in the end (delta: -176.6 MB). Peak memory consumption was 203.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,572 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.39 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,574 INFO L168 Benchmark]: Boogie Preprocessor took 99.31 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 168.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,575 INFO L168 Benchmark]: RCFGBuilder took 1137.56 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.9 MB in the beginning and 194.9 MB in the end (delta: -26.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,576 INFO L168 Benchmark]: TraceAbstraction took 10826.31 ms. Allocated memory was 234.9 MB in the beginning and 331.9 MB in the end (delta: 97.0 MB). Free memory was 193.6 MB in the beginning and 281.3 MB in the end (delta: -87.7 MB). Peak memory consumption was 198.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:38,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.39 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.31 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 168.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.56 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.9 MB in the beginning and 194.9 MB in the end (delta: -26.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10826.31 ms. Allocated memory was 234.9 MB in the beginning and 331.9 MB in the end (delta: 97.0 MB). Free memory was 193.6 MB in the beginning and 281.3 MB in the end (delta: -87.7 MB). Peak memory consumption was 198.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || (((!(0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((splverifierCounter <= 0 && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1419 SDtfs, 548 SDslu, 3542 SDs, 0 SdLazy, 765 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 779 PreInvPairs, 855 NumberOfFragments, 1092 HoareAnnotationTreeSize, 779 FomulaSimplifications, 694 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4425 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 673 NumberOfCodeBlocks, 558 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 82619 SizeOfPredicates, 24 NumberOfNonLiveVariables, 5956 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 6/6 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...