/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:24,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:24,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:24,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:24,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:24,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:24,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:24,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:24,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:24,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:24,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:24,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:24,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:24,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:24,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:24,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:24,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:24,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:24,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:24,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:24,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:24,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:24,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:24,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:24,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:24,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:24,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:24,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:24,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:24,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:24,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:24,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:24,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:24,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:24,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:24,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:24,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:24,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:24,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:24,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:24,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:24,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:51:24,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:24,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:24,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:24,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:24,795 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:24,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:24,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:24,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:24,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:24,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:24,798 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:24,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:24,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:24,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:24,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:24,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:24,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:24,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:24,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:24,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:24,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:24,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:24,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:24,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:24,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:51:25,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:25,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:25,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:25,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:25,110 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:25,110 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 12:51:25,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197c96d46/ef88b8de77464341a830538db854d1ee/FLAG63188b5d2 [2020-07-21 12:51:25,714 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:25,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 12:51:25,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197c96d46/ef88b8de77464341a830538db854d1ee/FLAG63188b5d2 [2020-07-21 12:51:25,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197c96d46/ef88b8de77464341a830538db854d1ee [2020-07-21 12:51:25,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:25,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:25,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:25,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:25,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:25,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4043c383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25, skipping insertion in model container [2020-07-21 12:51:25,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:26,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:26,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:26,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:26,479 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:26,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:26,615 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:26,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26 WrapperNode [2020-07-21 12:51:26,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:26,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:26,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:26,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:26,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (1/1) ... [2020-07-21 12:51:26,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:26,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:26,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:26,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:26,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (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 [2020-07-21 12:51:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:51:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:51:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:27,974 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:27,974 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:27,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:27 BoogieIcfgContainer [2020-07-21 12:51:27,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:27,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:27,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:27,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:27,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:25" (1/3) ... [2020-07-21 12:51:27,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35397061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:27, skipping insertion in model container [2020-07-21 12:51:27,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:26" (2/3) ... [2020-07-21 12:51:27,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35397061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:27, skipping insertion in model container [2020-07-21 12:51:27,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:27" (3/3) ... [2020-07-21 12:51:27,987 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-21 12:51:27,998 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:28,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:28,021 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:28,046 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:28,046 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:28,047 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:28,047 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:28,047 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:28,047 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:28,047 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:28,048 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 12:51:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:28,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:28,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:28,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:28,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:28,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-21 12:51:28,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:28,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969811092] [2020-07-21 12:51:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,559 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:28,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:28,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:28,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:28,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:28,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969811092] [2020-07-21 12:51:28,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:28,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:28,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555140951] [2020-07-21 12:51:28,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:28,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:28,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:28,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:28,648 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 12:51:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:28,688 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2020-07-21 12:51:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:28,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:28,703 INFO L225 Difference]: With dead ends: 272 [2020-07-21 12:51:28,703 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 12:51:28,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 12:51:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 12:51:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 12:51:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-21 12:51:28,769 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-21 12:51:28,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:28,769 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-21 12:51:28,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-21 12:51:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:28,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:28,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:28,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,990 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:28,991 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-21 12:51:28,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:28,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152773804] [2020-07-21 12:51:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,374 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:29,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:29,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:29,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:29,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:29,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152773804] [2020-07-21 12:51:29,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:29,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:29,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044801383] [2020-07-21 12:51:29,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:29,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:29,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:29,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:29,439 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2020-07-21 12:51:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:29,477 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2020-07-21 12:51:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:29,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:29,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:29,487 INFO L225 Difference]: With dead ends: 211 [2020-07-21 12:51:29,487 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 12:51:29,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:29,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 12:51:29,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 12:51:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 12:51:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-21 12:51:29,504 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-21 12:51:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:29,505 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-21 12:51:29,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-21 12:51:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:51:29,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:29,508 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] [2020-07-21 12:51:29,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,722 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:29,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-21 12:51:29,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:29,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588589660] [2020-07-21 12:51:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,018 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:30,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:30,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:30,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:30,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:30,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588589660] [2020-07-21 12:51:30,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:30,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:30,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550846707] [2020-07-21 12:51:30,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:30,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:30,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:30,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:30,053 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 3 states. [2020-07-21 12:51:30,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:30,083 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2020-07-21 12:51:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:30,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 12:51:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:30,087 INFO L225 Difference]: With dead ends: 327 [2020-07-21 12:51:30,087 INFO L226 Difference]: Without dead ends: 226 [2020-07-21 12:51:30,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-21 12:51:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2020-07-21 12:51:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-21 12:51:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-07-21 12:51:30,119 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-07-21 12:51:30,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:30,120 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-07-21 12:51:30,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-07-21 12:51:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 12:51:30,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:30,123 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] [2020-07-21 12:51:30,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,337 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:30,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:30,338 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-21 12:51:30,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:30,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612118929] [2020-07-21 12:51:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,761 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:30,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:30,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:30,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:30,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:30,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612118929] [2020-07-21 12:51:30,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:30,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:30,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145448240] [2020-07-21 12:51:30,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:30,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:30,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:30,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:30,818 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 6 states. [2020-07-21 12:51:31,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:31,083 INFO L93 Difference]: Finished difference Result 526 states and 665 transitions. [2020-07-21 12:51:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:31,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 12:51:31,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:31,088 INFO L225 Difference]: With dead ends: 526 [2020-07-21 12:51:31,088 INFO L226 Difference]: Without dead ends: 334 [2020-07-21 12:51:31,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:31,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-21 12:51:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 324. [2020-07-21 12:51:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-21 12:51:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 393 transitions. [2020-07-21 12:51:31,127 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 393 transitions. Word has length 62 [2020-07-21 12:51:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,128 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 393 transitions. [2020-07-21 12:51:31,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 393 transitions. [2020-07-21 12:51:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:31,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,131 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, 1] [2020-07-21 12:51:31,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,346 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:31,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1737926205, now seen corresponding path program 1 times [2020-07-21 12:51:31,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:31,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413450143] [2020-07-21 12:51:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,593 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:31,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:31,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:31,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:31,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:31,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413450143] [2020-07-21 12:51:31,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:31,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:31,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382837417] [2020-07-21 12:51:31,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:31,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:31,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:31,645 INFO L87 Difference]: Start difference. First operand 324 states and 393 transitions. Second operand 3 states. [2020-07-21 12:51:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:31,705 INFO L93 Difference]: Finished difference Result 908 states and 1185 transitions. [2020-07-21 12:51:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:31,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-21 12:51:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:31,711 INFO L225 Difference]: With dead ends: 908 [2020-07-21 12:51:31,711 INFO L226 Difference]: Without dead ends: 612 [2020-07-21 12:51:31,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-07-21 12:51:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 609. [2020-07-21 12:51:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-21 12:51:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 776 transitions. [2020-07-21 12:51:31,758 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 776 transitions. Word has length 85 [2020-07-21 12:51:31,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,759 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 776 transitions. [2020-07-21 12:51:31,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 776 transitions. [2020-07-21 12:51:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:31,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,763 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, 1] [2020-07-21 12:51:31,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,971 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:31,972 INFO L82 PathProgramCache]: Analyzing trace with hash 831560194, now seen corresponding path program 1 times [2020-07-21 12:51:31,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:31,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36378274] [2020-07-21 12:51:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:32,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:32,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36378274] [2020-07-21 12:51:32,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:32,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:32,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996681696] [2020-07-21 12:51:32,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:32,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:32,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:32,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:32,264 INFO L87 Difference]: Start difference. First operand 609 states and 776 transitions. Second operand 6 states. [2020-07-21 12:51:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:32,325 INFO L93 Difference]: Finished difference Result 1210 states and 1586 transitions. [2020-07-21 12:51:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:32,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-07-21 12:51:32,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:32,332 INFO L225 Difference]: With dead ends: 1210 [2020-07-21 12:51:32,332 INFO L226 Difference]: Without dead ends: 629 [2020-07-21 12:51:32,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-21 12:51:32,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2020-07-21 12:51:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-07-21 12:51:32,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 798 transitions. [2020-07-21 12:51:32,387 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 798 transitions. Word has length 85 [2020-07-21 12:51:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:32,388 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 798 transitions. [2020-07-21 12:51:32,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 798 transitions. [2020-07-21 12:51:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 12:51:32,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:32,398 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:32,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,613 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:32,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:32,614 INFO L82 PathProgramCache]: Analyzing trace with hash -340019350, now seen corresponding path program 1 times [2020-07-21 12:51:32,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:32,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162526834] [2020-07-21 12:51:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,897 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:32,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:32,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162526834] [2020-07-21 12:51:32,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:32,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:32,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594703647] [2020-07-21 12:51:32,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:32,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:32,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:32,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:32,967 INFO L87 Difference]: Start difference. First operand 629 states and 798 transitions. Second operand 6 states. [2020-07-21 12:51:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:34,000 INFO L93 Difference]: Finished difference Result 2117 states and 2884 transitions. [2020-07-21 12:51:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 12:51:34,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-21 12:51:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:34,011 INFO L225 Difference]: With dead ends: 2117 [2020-07-21 12:51:34,011 INFO L226 Difference]: Without dead ends: 1516 [2020-07-21 12:51:34,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 12:51:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-07-21 12:51:34,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1392. [2020-07-21 12:51:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2020-07-21 12:51:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1830 transitions. [2020-07-21 12:51:34,094 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1830 transitions. Word has length 89 [2020-07-21 12:51:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:34,094 INFO L479 AbstractCegarLoop]: Abstraction has 1392 states and 1830 transitions. [2020-07-21 12:51:34,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1830 transitions. [2020-07-21 12:51:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:34,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:34,097 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, 1] [2020-07-21 12:51:34,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,312 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:34,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1533160068, now seen corresponding path program 1 times [2020-07-21 12:51:34,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:34,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387574410] [2020-07-21 12:51:34,315 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,599 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:34,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:34,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:34,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:34,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:34,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387574410] [2020-07-21 12:51:34,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:34,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:34,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669743260] [2020-07-21 12:51:34,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:34,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:34,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:34,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:34,638 INFO L87 Difference]: Start difference. First operand 1392 states and 1830 transitions. Second operand 5 states. [2020-07-21 12:51:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:34,709 INFO L93 Difference]: Finished difference Result 2620 states and 3534 transitions. [2020-07-21 12:51:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:34,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-21 12:51:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:34,719 INFO L225 Difference]: With dead ends: 2620 [2020-07-21 12:51:34,719 INFO L226 Difference]: Without dead ends: 1256 [2020-07-21 12:51:34,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2020-07-21 12:51:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2020-07-21 12:51:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-07-21 12:51:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1616 transitions. [2020-07-21 12:51:34,806 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1616 transitions. Word has length 85 [2020-07-21 12:51:34,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:34,807 INFO L479 AbstractCegarLoop]: Abstraction has 1256 states and 1616 transitions. [2020-07-21 12:51:34,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1616 transitions. [2020-07-21 12:51:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 12:51:34,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:34,811 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:35,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:35,015 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1385461547, now seen corresponding path program 1 times [2020-07-21 12:51:35,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:35,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877204227] [2020-07-21 12:51:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:35,339 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:35,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:35,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:35,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:35,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:35,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877204227] [2020-07-21 12:51:35,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:35,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:35,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207203728] [2020-07-21 12:51:35,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:35,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:35,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:35,384 INFO L87 Difference]: Start difference. First operand 1256 states and 1616 transitions. Second operand 6 states. [2020-07-21 12:51:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:35,634 INFO L93 Difference]: Finished difference Result 3629 states and 4852 transitions. [2020-07-21 12:51:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:35,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-21 12:51:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:35,653 INFO L225 Difference]: With dead ends: 3629 [2020-07-21 12:51:35,653 INFO L226 Difference]: Without dead ends: 2401 [2020-07-21 12:51:35,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2020-07-21 12:51:35,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2365. [2020-07-21 12:51:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2020-07-21 12:51:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3052 transitions. [2020-07-21 12:51:35,802 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3052 transitions. Word has length 89 [2020-07-21 12:51:35,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:35,804 INFO L479 AbstractCegarLoop]: Abstraction has 2365 states and 3052 transitions. [2020-07-21 12:51:35,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3052 transitions. [2020-07-21 12:51:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:51:35,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:35,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:36,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:36,023 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:36,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:36,023 INFO L82 PathProgramCache]: Analyzing trace with hash 81932175, now seen corresponding path program 1 times [2020-07-21 12:51:36,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:36,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209527867] [2020-07-21 12:51:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:36,360 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:36,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:36,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:36,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:36,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:36,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209527867] [2020-07-21 12:51:36,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:36,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:36,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521649752] [2020-07-21 12:51:36,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:36,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:36,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:36,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:36,392 INFO L87 Difference]: Start difference. First operand 2365 states and 3052 transitions. Second operand 3 states. [2020-07-21 12:51:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:36,526 INFO L93 Difference]: Finished difference Result 3996 states and 5321 transitions. [2020-07-21 12:51:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:36,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 12:51:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:36,553 INFO L225 Difference]: With dead ends: 3996 [2020-07-21 12:51:36,554 INFO L226 Difference]: Without dead ends: 3993 [2020-07-21 12:51:36,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:36,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2020-07-21 12:51:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3727. [2020-07-21 12:51:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3727 states. [2020-07-21 12:51:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 4995 transitions. [2020-07-21 12:51:36,772 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 4995 transitions. Word has length 93 [2020-07-21 12:51:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:36,773 INFO L479 AbstractCegarLoop]: Abstraction has 3727 states and 4995 transitions. [2020-07-21 12:51:36,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 4995 transitions. [2020-07-21 12:51:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-21 12:51:36,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:36,779 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:36,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:36,995 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:36,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:36,995 INFO L82 PathProgramCache]: Analyzing trace with hash -896202634, now seen corresponding path program 1 times [2020-07-21 12:51:36,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:36,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845545899] [2020-07-21 12:51:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:37,277 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:37,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:37,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:51:37,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 12:51:37,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:37,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845545899] [2020-07-21 12:51:37,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:37,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:37,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152470111] [2020-07-21 12:51:37,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:37,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:37,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:37,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:37,350 INFO L87 Difference]: Start difference. First operand 3727 states and 4995 transitions. Second operand 3 states. [2020-07-21 12:51:37,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:37,539 INFO L93 Difference]: Finished difference Result 6081 states and 8104 transitions. [2020-07-21 12:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:37,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-21 12:51:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:37,554 INFO L225 Difference]: With dead ends: 6081 [2020-07-21 12:51:37,554 INFO L226 Difference]: Without dead ends: 2382 [2020-07-21 12:51:37,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:37,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2020-07-21 12:51:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2308. [2020-07-21 12:51:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2308 states. [2020-07-21 12:51:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 2973 transitions. [2020-07-21 12:51:37,701 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 2973 transitions. Word has length 133 [2020-07-21 12:51:37,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:37,701 INFO L479 AbstractCegarLoop]: Abstraction has 2308 states and 2973 transitions. [2020-07-21 12:51:37,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2973 transitions. [2020-07-21 12:51:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 12:51:37,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:37,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:37,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:37,921 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:37,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:37,921 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-07-21 12:51:37,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:37,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553052600] [2020-07-21 12:51:37,923 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:38,315 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:38,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:38,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:51:38,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:51:38,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:38,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553052600] [2020-07-21 12:51:38,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:38,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:51:38,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578454048] [2020-07-21 12:51:38,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:51:38,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:38,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:51:38,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:38,480 INFO L87 Difference]: Start difference. First operand 2308 states and 2973 transitions. Second operand 8 states. [2020-07-21 12:51:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:38,927 INFO L93 Difference]: Finished difference Result 4027 states and 5169 transitions. [2020-07-21 12:51:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:51:38,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-21 12:51:38,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:38,941 INFO L225 Difference]: With dead ends: 4027 [2020-07-21 12:51:38,941 INFO L226 Difference]: Without dead ends: 1747 [2020-07-21 12:51:38,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:38,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2020-07-21 12:51:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2020-07-21 12:51:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2020-07-21 12:51:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2147 transitions. [2020-07-21 12:51:39,041 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2147 transitions. Word has length 152 [2020-07-21 12:51:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:39,041 INFO L479 AbstractCegarLoop]: Abstraction has 1747 states and 2147 transitions. [2020-07-21 12:51:39,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:51:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2147 transitions. [2020-07-21 12:51:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 12:51:39,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:39,046 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:39,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:39,260 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:39,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1229107054, now seen corresponding path program 1 times [2020-07-21 12:51:39,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:39,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033054731] [2020-07-21 12:51:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:39,574 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:39,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:39,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 12:51:39,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:39,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:39,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033054731] [2020-07-21 12:51:39,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:39,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:39,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636459736] [2020-07-21 12:51:39,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:39,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:39,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:39,614 INFO L87 Difference]: Start difference. First operand 1747 states and 2147 transitions. Second operand 3 states. [2020-07-21 12:51:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:39,749 INFO L93 Difference]: Finished difference Result 3297 states and 4095 transitions. [2020-07-21 12:51:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:39,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-21 12:51:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:39,751 INFO L225 Difference]: With dead ends: 3297 [2020-07-21 12:51:39,751 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:39,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:39,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:39,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-21 12:51:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:39,761 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:39,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:39,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:39,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:39,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:42,695 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2020-07-21 12:51:42,946 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-07-21 12:51:43,299 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-21 12:51:44,524 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 122 DAG size of output: 62 [2020-07-21 12:51:44,707 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2020-07-21 12:51:45,067 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2020-07-21 12:51:45,204 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-21 12:51:45,413 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-07-21 12:51:46,434 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 63 [2020-07-21 12:51:46,688 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2020-07-21 12:51:46,913 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-07-21 12:51:47,170 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-07-21 12:51:47,550 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 41 [2020-07-21 12:51:47,748 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-07-21 12:51:47,929 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-07-21 12:51:48,109 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-07-21 12:51:48,314 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2020-07-21 12:51:48,812 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 48 [2020-07-21 12:51:49,313 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2020-07-21 12:51:49,605 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-07-21 12:51:49,978 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2020-07-21 12:51:50,181 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2020-07-21 12:51:50,513 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2020-07-21 12:51:50,777 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2020-07-21 12:51:50,950 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-07-21 12:51:51,177 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-21 12:51:51,429 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-07-21 12:51:51,855 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 37 [2020-07-21 12:51:51,994 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-21 12:51:52,147 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-07-21 12:51:52,152 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-21 12:51:52,152 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-21 12:51:52,153 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-21 12:51:52,153 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-21 12:51:52,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-21 12:51:52,153 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-21 12:51:52,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-21 12:51:52,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-21 12:51:52,155 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-21 12:51:52,156 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-21 12:51:52,156 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,156 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,156 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,156 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-21 12:51:52,156 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-21 12:51:52,156 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-21 12:51:52,157 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-21 12:51:52,157 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,157 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,157 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,157 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-21 12:51:52,157 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-21 12:51:52,158 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-21 12:51:52,159 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0))) (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (<= 1 ~systemActive~0) .cse3)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse0 .cse2 .cse3) (or .cse4 .cse7 .cse0 .cse1 .cse8) (or .cse4 .cse6 .cse1) (or .cse4 .cse5 .cse7 .cse0 .cse8)))) [2020-07-21 12:51:52,159 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0))) (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 1 ~systemActive~0) .cse3)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6) (or .cse7 .cse0 .cse2 .cse3) (or .cse4 .cse7 .cse5 .cse6) (or .cse4 .cse8 .cse0 .cse1 .cse9) (or .cse4 .cse7 .cse8 .cse0 .cse9)))) [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-21 12:51:52,160 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-21 12:51:52,161 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,162 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-21 12:51:52,162 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,162 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-21 12:51:52,162 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse4) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse7 .cse1 .cse3 .cse5 .cse4) (or .cse2 .cse3 .cse6 .cse4))) [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 12:51:52,163 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-21 12:51:52,164 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-21 12:51:52,164 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-21 12:51:52,164 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-21 12:51:52,164 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse8) (or .cse6 .cse1 .cse7 .cse5 .cse8))) [2020-07-21 12:51:52,164 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse5) (or .cse7 .cse1 .cse5 .cse6))) [2020-07-21 12:51:52,164 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-21 12:51:52,165 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2020-07-21 12:51:52,165 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse5 .cse8) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 .cse5 .cse8)))) [2020-07-21 12:51:52,165 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-21 12:51:52,165 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse1 .cse6 .cse7))) [2020-07-21 12:51:52,165 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-21 12:51:52,165 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-21 12:51:52,165 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-21 12:51:52,165 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-21 12:51:52,166 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,166 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-21 12:51:52,166 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:52,166 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse7 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse7 .cse2))) [2020-07-21 12:51:52,166 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-21 12:51:52,167 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse2 .cse3) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:52,167 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-21 12:51:52,167 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse1 .cse6 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and .cse4 .cse5 .cse6 .cse2))) [2020-07-21 12:51:52,167 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-21 12:51:52,167 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse4 .cse5 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 .cse3 .cse4 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:52,167 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-21 12:51:52,167 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-21 12:51:52,168 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse6 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:52,168 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse6 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:52,168 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-21 12:51:52,168 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-21 12:51:52,168 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-21 12:51:52,168 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-21 12:51:52,168 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-21 12:51:52,169 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse0 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse3 .cse2))) [2020-07-21 12:51:52,169 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-21 12:51:52,170 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-21 12:51:52,170 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-21 12:51:52,170 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 12:51:52,170 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-21 12:51:52,170 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 12:51:52,170 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-21 12:51:52,170 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse1 .cse4) (or .cse0 .cse2 .cse5 .cse3) (or .cse6 .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse1 .cse6 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse5 .cse3))) [2020-07-21 12:51:52,171 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-21 12:51:52,171 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-21 12:51:52,172 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-21 12:51:52,173 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~waterLevel~0)| ~waterLevel~0) [2020-07-21 12:51:52,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-21 12:51:52,174 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 12:51:52,175 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-21 12:51:52,175 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 (not (<= 2 ~waterLevel~0)) .cse7 .cse8) (or .cse0 .cse5 .cse1 .cse3 .cse7) (or .cse0 .cse2 .cse6 .cse4 .cse8) (or .cse0 .cse5 .cse6 .cse4 .cse8))) [2020-07-21 12:51:52,176 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,176 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 12:51:52,177 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 12:51:52,177 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 12:51:52,177 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= 1 ~pumpRunning~0))) (let ((.cse10 (and .cse13 .cse14)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and (<= 1 ~waterLevel~0) .cse14)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse13 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse5 .cse0 .cse7 .cse1 .cse2 .cse6) (or .cse5 .cse0 .cse7 .cse8 .cse1 .cse6) (or .cse7 .cse9 .cse2) (or .cse0 .cse7 .cse8 .cse1 .cse10) (or .cse0 .cse8 .cse1 .cse3 .cse10) (or .cse0 .cse11 .cse8 .cse3 .cse12) (or .cse5 .cse0 .cse8 .cse1 .cse3 .cse6) (or .cse0 .cse7 .cse8 .cse11 .cse12) (or .cse9 .cse2 .cse3) (or .cse0 .cse7 .cse1 .cse2 .cse4)))) [2020-07-21 12:51:52,177 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse17 (<= ~waterLevel~0 1)) (.cse15 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse16 (= 0 ~pumpRunning~0))) (let ((.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (and .cse6 .cse16)) (.cse3 (and .cse16 .cse17 .cse15)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (and .cse16 .cse15)) (.cse13 (not (= 0 ~systemActive~0))) (.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (and .cse6 .cse7) .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse5 .cse9) (or .cse1 .cse2 .cse12 (and .cse14 .cse7 .cse15) .cse4 .cse5) (or .cse1 .cse2 .cse8 .cse4 .cse16) (or .cse0 .cse2 .cse3 .cse13 .cse5) (or .cse1 .cse12 (and .cse15 .cse7) .cse4 .cse5 .cse9) (or .cse1 .cse2 .cse8 .cse10 .cse11) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse17) (or .cse0 .cse3 .cse13 .cse5 .cse9) (or .cse2 .cse12 .cse13 .cse5) (or .cse1 .cse8 .cse4 .cse9 .cse16 (and .cse14 .cse7)) (or .cse0 .cse1 .cse8 .cse4 .cse9 .cse17) (or .cse0 .cse1 .cse4 .cse5 .cse9 (and .cse16 .cse17))))) [2020-07-21 12:51:52,178 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse18 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (and .cse8 .cse9)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse16 (and .cse18 .cse7 .cse9)) (.cse14 (and .cse18 .cse9)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (not (= 0 ~systemActive~0))) (.cse17 (not (<= 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse13 .cse18 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse5 (and .cse7 .cse8 .cse9) .cse0 .cse6 .cse10 .cse1) (or .cse0 .cse6 .cse11 .cse10 .cse12) (or .cse0 (and .cse13 .cse8 .cse9) .cse10 .cse1 .cse3) (or .cse14 .cse15 .cse2 .cse3) (or .cse5 .cse6 .cse16 .cse15 .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse11 .cse10 .cse3 .cse12) (or .cse5 .cse16 .cse15 .cse2 .cse3) (or .cse5 .cse13 .cse15 .cse1 .cse2 .cse3 .cse17) (or .cse6 .cse14 .cse15 .cse2) (or .cse5 .cse0 .cse10 .cse1 .cse3 .cse7) (or .cse5 .cse6 .cse13 .cse15 .cse1 .cse2 .cse17) (or .cse0 .cse6 .cse13 .cse10 .cse1) (or .cse0 .cse6 .cse1 .cse2 .cse4)))) [2020-07-21 12:51:52,178 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse11 (<= 1 ~pumpRunning~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (and .cse11 .cse12)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse5 .cse8) (or .cse9 (and .cse10 .cse11 .cse12) .cse0 .cse1 .cse7 .cse2) (or .cse0 .cse1 .cse6 .cse7 .cse8) (or .cse0 (and .cse13 .cse11 .cse12) .cse7 .cse2 .cse5) (or .cse9 .cse0 .cse7 .cse2 .cse5 .cse10) (or .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse13 .cse7 .cse2)))) [2020-07-21 12:51:52,178 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-21 12:51:52,178 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-21 12:51:52,178 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-21 12:51:52,179 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-21 12:51:52,179 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-21 12:51:52,179 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-21 12:51:52,179 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 12:51:52,179 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-21 12:51:52,179 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-21 12:51:52,179 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 12:51:52,179 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-21 12:51:52,179 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-21 12:51:52,180 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 12:51:52,180 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 (and .cse7 .cse4) .cse2) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse8 .cse7 .cse2) (or .cse6 .cse0 .cse8 .cse2 .cse4))) [2020-07-21 12:51:52,180 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-21 12:51:52,180 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-21 12:51:52,180 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-21 12:51:52,180 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-21 12:51:52,180 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,181 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:51:52,181 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:52,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:52,181 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-21 12:51:52,181 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: true [2020-07-21 12:51:52,181 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-21 12:51:52,181 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6) (or .cse4 .cse0 .cse5 .cse2 .cse6))) [2020-07-21 12:51:52,181 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-21 12:51:52,182 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-21 12:51:52,182 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-21 12:51:52,182 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse2 .cse4 .cse5))) [2020-07-21 12:51:52,182 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4))) [2020-07-21 12:51:52,182 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-21 12:51:52,182 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse1 .cse5 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4))) [2020-07-21 12:51:52,183 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-21 12:51:52,183 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-21 12:51:52,183 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-21 12:51:52,183 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-21 12:51:52,183 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse6 .cse8 .cse3) (or .cse5 .cse1 .cse9 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse5 .cse6 .cse8 .cse9) (or .cse7 .cse0 .cse1 .cse2 .cse8 .cse3) (or .cse7 .cse0 .cse5 .cse6 .cse8 .cse3) (or .cse7 .cse0 .cse5 .cse1 .cse8 .cse3) (or .cse0 .cse5 .cse6 .cse9 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4))) [2020-07-21 12:51:52,183 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-21 12:51:52,184 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-21 12:51:52,184 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-21 12:51:52,184 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-21 12:51:52,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:51:52 BoogieIcfgContainer [2020-07-21 12:51:52,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:51:52,206 INFO L168 Benchmark]: Toolchain (without parser) took 26221.70 ms. Allocated memory was 145.8 MB in the beginning and 599.3 MB in the end (delta: 453.5 MB). Free memory was 100.9 MB in the beginning and 270.7 MB in the end (delta: -169.8 MB). Peak memory consumption was 419.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:52,207 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:51:52,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.79 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.5 MB in the beginning and 172.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:52,208 INFO L168 Benchmark]: Boogie Preprocessor took 121.56 ms. Allocated memory is still 204.5 MB. Free memory was 172.8 MB in the beginning and 167.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:52,209 INFO L168 Benchmark]: RCFGBuilder took 1241.34 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 197.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:52,210 INFO L168 Benchmark]: TraceAbstraction took 24224.37 ms. Allocated memory was 237.5 MB in the beginning and 599.3 MB in the end (delta: 361.8 MB). Free memory was 196.1 MB in the beginning and 270.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 423.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:52,212 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 145.8 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.79 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.5 MB in the beginning and 172.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.56 ms. Allocated memory is still 204.5 MB. Free memory was 172.8 MB in the beginning and 167.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1241.34 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 197.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24224.37 ms. Allocated memory was 237.5 MB in the beginning and 599.3 MB in the end (delta: 361.8 MB). Free memory was 196.1 MB in the beginning and 270.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 423.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2349 SDtfs, 947 SDslu, 3622 SDs, 0 SdLazy, 1040 SolverSat, 262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1180 GetRequests, 1138 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3727occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 519 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 6183 PreInvPairs, 6427 NumberOfFragments, 4583 HoareAnnotationTreeSize, 6183 FomulaSimplifications, 7138 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21811 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 215156 SizeOfPredicates, 32 NumberOfNonLiveVariables, 10130 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 124/124 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...