/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:44,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:44,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:44,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:44,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:44,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:44,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:44,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:44,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:44,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:44,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:44,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:44,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:44,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:44,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:44,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:44,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:44,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:44,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:44,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:44,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:44,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:44,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:44,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:44,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:44,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:44,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:44,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:44,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:44,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:44,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:44,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:44,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:44,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:44,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:44,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:44,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:44,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:44,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:44,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:44,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:44,648 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 12:51:44,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:44,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:44,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:44,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:44,671 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:44,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:44,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:44,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:44,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:44,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:44,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:44,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:44,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:44,674 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:44,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:44,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:44,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:44,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:44,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:44,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:44,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:44,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:44,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:44,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:44,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:44,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:44,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:44,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:44,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:44,677 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 12:51:44,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:44,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:44,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:44,996 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:44,996 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:44,997 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-21 12:51:45,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33774b6c5/9d0d600b80894a73a46b5220805ca34d/FLAG193d91362 [2020-07-21 12:51:45,613 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:45,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-21 12:51:45,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33774b6c5/9d0d600b80894a73a46b5220805ca34d/FLAG193d91362 [2020-07-21 12:51:45,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33774b6c5/9d0d600b80894a73a46b5220805ca34d [2020-07-21 12:51:45,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:45,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:45,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:45,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:45,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:45,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:45" (1/1) ... [2020-07-21 12:51:45,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:45, skipping insertion in model container [2020-07-21 12:51:45,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:45" (1/1) ... [2020-07-21 12:51:45,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:45,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:46,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:46,520 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:46,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:46,637 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:46,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46 WrapperNode [2020-07-21 12:51:46,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:46,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:46,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:46,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:46,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (1/1) ... [2020-07-21 12:51:46,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:46,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:46,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:46,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:46,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (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 12:51:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:51:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:51:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:51:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:46,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:51:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:51:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:48,070 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:48,070 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:48,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:48 BoogieIcfgContainer [2020-07-21 12:51:48,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:48,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:48,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:48,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:48,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:45" (1/3) ... [2020-07-21 12:51:48,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b59313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:48, skipping insertion in model container [2020-07-21 12:51:48,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:46" (2/3) ... [2020-07-21 12:51:48,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b59313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:48, skipping insertion in model container [2020-07-21 12:51:48,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:48" (3/3) ... [2020-07-21 12:51:48,085 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-07-21 12:51:48,096 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:48,104 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:48,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:48,145 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:48,146 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:48,146 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:48,146 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:48,146 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:48,147 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:48,147 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:48,147 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-21 12:51:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:48,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:48,182 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 12:51:48,183 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2020-07-21 12:51:48,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:48,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277966519] [2020-07-21 12:51:48,199 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 12:51:48,579 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:48,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:48,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:48,625 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 12:51:48,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:48,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277966519] [2020-07-21 12:51:48,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:48,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:48,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843259605] [2020-07-21 12:51:48,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:48,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:48,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:48,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:48,652 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 2 states. [2020-07-21 12:51:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:48,698 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2020-07-21 12:51:48,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:48,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:48,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:48,714 INFO L225 Difference]: With dead ends: 312 [2020-07-21 12:51:48,714 INFO L226 Difference]: Without dead ends: 158 [2020-07-21 12:51:48,719 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 12:51:48,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-21 12:51:48,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-21 12:51:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-21 12:51:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2020-07-21 12:51:48,778 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2020-07-21 12:51:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:48,778 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2020-07-21 12:51:48,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2020-07-21 12:51:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:48,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:48,783 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 12:51:48,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:48,997 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:48,998 INFO L82 PathProgramCache]: Analyzing trace with hash 23130160, now seen corresponding path program 1 times [2020-07-21 12:51:48,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:48,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229458505] [2020-07-21 12:51:48,999 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 12:51:49,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:49,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:49,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:49,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:49,421 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 12:51:49,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:49,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229458505] [2020-07-21 12:51:49,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:49,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:49,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483643098] [2020-07-21 12:51:49,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:49,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:49,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:49,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:49,426 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2020-07-21 12:51:49,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:49,464 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2020-07-21 12:51:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:49,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:49,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:49,469 INFO L225 Difference]: With dead ends: 251 [2020-07-21 12:51:49,469 INFO L226 Difference]: Without dead ends: 149 [2020-07-21 12:51:49,473 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 12:51:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-21 12:51:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-21 12:51:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-21 12:51:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-21 12:51:49,499 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2020-07-21 12:51:49,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:49,501 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-21 12:51:49,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-21 12:51:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:51:49,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:49,509 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 12:51:49,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:49,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:49,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:49,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1418292754, now seen corresponding path program 1 times [2020-07-21 12:51:49,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:49,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771174845] [2020-07-21 12:51:49,726 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 12:51:50,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:50,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:50,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:50,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,139 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 12:51:50,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771174845] [2020-07-21 12:51:50,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:50,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890562744] [2020-07-21 12:51:50,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:50,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:50,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:50,142 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2020-07-21 12:51:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:50,183 INFO L93 Difference]: Finished difference Result 387 states and 471 transitions. [2020-07-21 12:51:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:50,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 12:51:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:50,188 INFO L225 Difference]: With dead ends: 387 [2020-07-21 12:51:50,189 INFO L226 Difference]: Without dead ends: 266 [2020-07-21 12:51:50,193 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 12:51:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-21 12:51:50,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 260. [2020-07-21 12:51:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-21 12:51:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 315 transitions. [2020-07-21 12:51:50,250 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 315 transitions. Word has length 57 [2020-07-21 12:51:50,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:50,253 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 315 transitions. [2020-07-21 12:51:50,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2020-07-21 12:51:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 12:51:50,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:50,261 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 12:51:50,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,479 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:50,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:50,479 INFO L82 PathProgramCache]: Analyzing trace with hash -335998659, now seen corresponding path program 1 times [2020-07-21 12:51:50,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:50,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878674256] [2020-07-21 12:51:50,480 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 12:51:50,828 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:50,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:50,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:50,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,913 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 12:51:50,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878674256] [2020-07-21 12:51:50,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:50,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981886252] [2020-07-21 12:51:50,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:50,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:50,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:50,926 INFO L87 Difference]: Start difference. First operand 260 states and 315 transitions. Second operand 6 states. [2020-07-21 12:51:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:51,247 INFO L93 Difference]: Finished difference Result 711 states and 881 transitions. [2020-07-21 12:51:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:51,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 12:51:51,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:51,255 INFO L225 Difference]: With dead ends: 711 [2020-07-21 12:51:51,255 INFO L226 Difference]: Without dead ends: 479 [2020-07-21 12:51:51,258 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 12:51:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-07-21 12:51:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 475. [2020-07-21 12:51:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-07-21 12:51:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 580 transitions. [2020-07-21 12:51:51,334 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 580 transitions. Word has length 62 [2020-07-21 12:51:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:51,335 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 580 transitions. [2020-07-21 12:51:51,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 580 transitions. [2020-07-21 12:51:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-21 12:51:51,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:51,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:51,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:51,556 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:51,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:51,557 INFO L82 PathProgramCache]: Analyzing trace with hash 563759321, now seen corresponding path program 1 times [2020-07-21 12:51:51,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:51,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405741456] [2020-07-21 12:51:51,558 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 12:51:51,827 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:51,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:51,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:51,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:51,870 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 12:51:51,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:51,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405741456] [2020-07-21 12:51:51,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:51,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:51,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37572006] [2020-07-21 12:51:51,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:51,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:51,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:51,872 INFO L87 Difference]: Start difference. First operand 475 states and 580 transitions. Second operand 6 states. [2020-07-21 12:51:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:52,161 INFO L93 Difference]: Finished difference Result 1146 states and 1464 transitions. [2020-07-21 12:51:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:52,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-21 12:51:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:52,166 INFO L225 Difference]: With dead ends: 1146 [2020-07-21 12:51:52,166 INFO L226 Difference]: Without dead ends: 699 [2020-07-21 12:51:52,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 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 12:51:52,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-07-21 12:51:52,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 687. [2020-07-21 12:51:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-21 12:51:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 842 transitions. [2020-07-21 12:51:52,204 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 842 transitions. Word has length 66 [2020-07-21 12:51:52,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:52,205 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 842 transitions. [2020-07-21 12:51:52,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 842 transitions. [2020-07-21 12:51:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:52,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:52,208 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, 1] [2020-07-21 12:51:52,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:52,415 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:52,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:52,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1340944239, now seen corresponding path program 1 times [2020-07-21 12:51:52,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:52,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783497757] [2020-07-21 12:51:52,417 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 12:51:52,675 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:52,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:52,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:52,713 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 12:51:52,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:52,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783497757] [2020-07-21 12:51:52,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:52,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:52,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089221361] [2020-07-21 12:51:52,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:52,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:52,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:52,716 INFO L87 Difference]: Start difference. First operand 687 states and 842 transitions. Second operand 6 states. [2020-07-21 12:51:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:52,769 INFO L93 Difference]: Finished difference Result 1366 states and 1712 transitions. [2020-07-21 12:51:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:52,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-21 12:51:52,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:52,774 INFO L225 Difference]: With dead ends: 1366 [2020-07-21 12:51:52,774 INFO L226 Difference]: Without dead ends: 707 [2020-07-21 12:51:52,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 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 12:51:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-21 12:51:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2020-07-21 12:51:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-07-21 12:51:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 862 transitions. [2020-07-21 12:51:52,808 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 862 transitions. Word has length 94 [2020-07-21 12:51:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:52,809 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 862 transitions. [2020-07-21 12:51:52,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 862 transitions. [2020-07-21 12:51:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:52,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:52,811 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:53,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:53,026 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:53,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1413330797, now seen corresponding path program 1 times [2020-07-21 12:51:53,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:53,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035112052] [2020-07-21 12:51:53,029 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 12:51:53,333 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:53,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:53,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:53,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:53,396 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 12:51:53,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:53,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035112052] [2020-07-21 12:51:53,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:53,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:53,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57732404] [2020-07-21 12:51:53,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:53,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:53,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:53,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:53,402 INFO L87 Difference]: Start difference. First operand 707 states and 862 transitions. Second operand 5 states. [2020-07-21 12:51:53,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:53,448 INFO L93 Difference]: Finished difference Result 1414 states and 1796 transitions. [2020-07-21 12:51:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:53,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-21 12:51:53,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:53,462 INFO L225 Difference]: With dead ends: 1414 [2020-07-21 12:51:53,462 INFO L226 Difference]: Without dead ends: 735 [2020-07-21 12:51:53,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 12:51:53,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-07-21 12:51:53,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 723. [2020-07-21 12:51:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-07-21 12:51:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 878 transitions. [2020-07-21 12:51:53,549 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 878 transitions. Word has length 94 [2020-07-21 12:51:53,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:53,550 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 878 transitions. [2020-07-21 12:51:53,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 878 transitions. [2020-07-21 12:51:53,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:53,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:53,558 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, 1] [2020-07-21 12:51:53,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:53,759 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:53,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:53,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1083565036, now seen corresponding path program 1 times [2020-07-21 12:51:53,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:53,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467093731] [2020-07-21 12:51:53,761 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 12:51:54,072 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:54,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:54,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:54,114 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 12:51:54,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:54,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467093731] [2020-07-21 12:51:54,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:54,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:54,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294652077] [2020-07-21 12:51:54,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:54,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:54,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:54,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:54,118 INFO L87 Difference]: Start difference. First operand 723 states and 878 transitions. Second operand 3 states. [2020-07-21 12:51:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:54,179 INFO L93 Difference]: Finished difference Result 2029 states and 2618 transitions. [2020-07-21 12:51:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:54,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-21 12:51:54,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:54,192 INFO L225 Difference]: With dead ends: 2029 [2020-07-21 12:51:54,192 INFO L226 Difference]: Without dead ends: 1334 [2020-07-21 12:51:54,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 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 12:51:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2020-07-21 12:51:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1331. [2020-07-21 12:51:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-07-21 12:51:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1662 transitions. [2020-07-21 12:51:54,280 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1662 transitions. Word has length 94 [2020-07-21 12:51:54,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:54,281 INFO L479 AbstractCegarLoop]: Abstraction has 1331 states and 1662 transitions. [2020-07-21 12:51:54,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1662 transitions. [2020-07-21 12:51:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:51:54,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:54,286 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:54,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:54,500 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:54,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:54,501 INFO L82 PathProgramCache]: Analyzing trace with hash -452793586, now seen corresponding path program 1 times [2020-07-21 12:51:54,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:54,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648908465] [2020-07-21 12:51:54,503 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 12:51:54,900 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:54,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:54,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:54,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:54,932 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 12:51:54,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:54,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648908465] [2020-07-21 12:51:54,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:54,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:54,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955350888] [2020-07-21 12:51:54,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:54,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:54,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:54,934 INFO L87 Difference]: Start difference. First operand 1331 states and 1662 transitions. Second operand 3 states. [2020-07-21 12:51:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:55,025 INFO L93 Difference]: Finished difference Result 2382 states and 3015 transitions. [2020-07-21 12:51:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:55,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 12:51:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:55,041 INFO L225 Difference]: With dead ends: 2382 [2020-07-21 12:51:55,041 INFO L226 Difference]: Without dead ends: 2379 [2020-07-21 12:51:55,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 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 12:51:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2020-07-21 12:51:55,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2283. [2020-07-21 12:51:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2020-07-21 12:51:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2901 transitions. [2020-07-21 12:51:55,178 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2901 transitions. Word has length 98 [2020-07-21 12:51:55,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:55,180 INFO L479 AbstractCegarLoop]: Abstraction has 2283 states and 2901 transitions. [2020-07-21 12:51:55,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2901 transitions. [2020-07-21 12:51:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 12:51:55,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:55,191 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:55,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:55,404 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:55,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:55,404 INFO L82 PathProgramCache]: Analyzing trace with hash 201963294, now seen corresponding path program 1 times [2020-07-21 12:51:55,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:55,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820482402] [2020-07-21 12:51:55,406 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 12:51:55,649 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:55,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:55,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:51:55,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:55,679 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 12:51:55,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:55,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820482402] [2020-07-21 12:51:55,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:55,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:55,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512266657] [2020-07-21 12:51:55,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:55,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:55,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:55,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:55,682 INFO L87 Difference]: Start difference. First operand 2283 states and 2901 transitions. Second operand 3 states. [2020-07-21 12:51:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:55,830 INFO L93 Difference]: Finished difference Result 3616 states and 4592 transitions. [2020-07-21 12:51:55,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:55,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 12:51:55,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:55,839 INFO L225 Difference]: With dead ends: 3616 [2020-07-21 12:51:55,840 INFO L226 Difference]: Without dead ends: 1361 [2020-07-21 12:51:55,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 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 12:51:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-07-21 12:51:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1329. [2020-07-21 12:51:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-07-21 12:51:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1649 transitions. [2020-07-21 12:51:55,919 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1649 transitions. Word has length 138 [2020-07-21 12:51:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:55,920 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1649 transitions. [2020-07-21 12:51:55,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1649 transitions. [2020-07-21 12:51:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-21 12:51:55,926 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:55,927 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, 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] [2020-07-21 12:51:56,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:56,143 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:56,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:56,144 INFO L82 PathProgramCache]: Analyzing trace with hash 2137087651, now seen corresponding path program 1 times [2020-07-21 12:51:56,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:56,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842937919] [2020-07-21 12:51:56,145 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 12:51:56,482 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:56,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:56,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-21 12:51:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-21 12:51:56,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:51:56,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:51:56,862 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:51:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 12:51:57,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842937919] [2020-07-21 12:51:57,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:51:57,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2020-07-21 12:51:57,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090259677] [2020-07-21 12:51:57,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 12:51:57,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:57,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 12:51:57,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-21 12:51:57,034 INFO L87 Difference]: Start difference. First operand 1329 states and 1649 transitions. Second operand 12 states. [2020-07-21 12:51:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:58,694 INFO L93 Difference]: Finished difference Result 4205 states and 6169 transitions. [2020-07-21 12:51:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 12:51:58,696 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-07-21 12:51:58,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:58,720 INFO L225 Difference]: With dead ends: 4205 [2020-07-21 12:51:58,721 INFO L226 Difference]: Without dead ends: 2904 [2020-07-21 12:51:58,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 309 SyntacticMatches, 15 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-07-21 12:51:58,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2020-07-21 12:51:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 1951. [2020-07-21 12:51:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-07-21 12:51:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2461 transitions. [2020-07-21 12:51:58,910 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2461 transitions. Word has length 166 [2020-07-21 12:51:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:58,913 INFO L479 AbstractCegarLoop]: Abstraction has 1951 states and 2461 transitions. [2020-07-21 12:51:58,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 12:51:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2461 transitions. [2020-07-21 12:51:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-21 12:51:58,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:58,918 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, 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 12:51:59,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:59,126 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:59,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1115432797, now seen corresponding path program 1 times [2020-07-21 12:51:59,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:59,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367875041] [2020-07-21 12:51:59,128 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 12:51:59,475 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:59,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:59,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 12:51:59,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:59,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:59,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367875041] [2020-07-21 12:51:59,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:59,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:59,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943839687] [2020-07-21 12:51:59,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:59,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:59,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:59,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:59,521 INFO L87 Difference]: Start difference. First operand 1951 states and 2461 transitions. Second operand 3 states. [2020-07-21 12:51:59,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:59,678 INFO L93 Difference]: Finished difference Result 3675 states and 4696 transitions. [2020-07-21 12:51:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:59,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-07-21 12:51:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:59,688 INFO L225 Difference]: With dead ends: 3675 [2020-07-21 12:51:59,689 INFO L226 Difference]: Without dead ends: 1752 [2020-07-21 12:51:59,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 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 12:51:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2020-07-21 12:51:59,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1728. [2020-07-21 12:51:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2020-07-21 12:51:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2071 transitions. [2020-07-21 12:51:59,794 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2071 transitions. Word has length 162 [2020-07-21 12:51:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:59,795 INFO L479 AbstractCegarLoop]: Abstraction has 1728 states and 2071 transitions. [2020-07-21 12:51:59,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2071 transitions. [2020-07-21 12:51:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-21 12:51:59,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:59,802 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:00,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:00,017 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash 177222806, now seen corresponding path program 1 times [2020-07-21 12:52:00,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:00,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398642847] [2020-07-21 12:52:00,018 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 12:52:00,352 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:00,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:52:00,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:52:00,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:00,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398642847] [2020-07-21 12:52:00,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:00,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:52:00,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519276199] [2020-07-21 12:52:00,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:52:00,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:00,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:52:00,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:00,448 INFO L87 Difference]: Start difference. First operand 1728 states and 2071 transitions. Second operand 8 states. [2020-07-21 12:52:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:00,772 INFO L93 Difference]: Finished difference Result 2986 states and 3582 transitions. [2020-07-21 12:52:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:52:00,773 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-07-21 12:52:00,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:00,775 INFO L225 Difference]: With dead ends: 2986 [2020-07-21 12:52:00,775 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:52:00,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 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 12:52:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:52:00,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:52:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:52:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:52:00,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-07-21 12:52:00,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:00,784 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:52:00,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:52:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:52:00,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:52:00,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:01,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:52:01,341 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 68 [2020-07-21 12:52:03,307 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2020-07-21 12:52:03,668 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2020-07-21 12:52:04,058 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2020-07-21 12:52:04,203 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-21 12:52:04,343 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-07-21 12:52:04,465 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-07-21 12:52:04,637 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-07-21 12:52:04,880 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-07-21 12:52:05,915 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2020-07-21 12:52:07,025 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-07-21 12:52:07,477 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-07-21 12:52:07,719 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-07-21 12:52:08,121 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 12:52:08,571 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-07-21 12:52:08,749 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-07-21 12:52:08,869 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-21 12:52:09,085 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2020-07-21 12:52:09,351 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-21 12:52:09,756 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 12:52:10,138 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 12:52:10,495 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-07-21 12:52:10,629 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-07-21 12:52:10,965 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2020-07-21 12:52:11,318 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2020-07-21 12:52:11,438 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-07-21 12:52:12,224 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2020-07-21 12:52:12,417 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-07-21 12:52:12,613 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-07-21 12:52:12,818 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-07-21 12:52:12,945 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-07-21 12:52:13,352 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 42 [2020-07-21 12:52:13,564 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-07-21 12:52:13,580 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:52:13,580 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:52:13,580 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 12:52:13,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 12:52:13,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:52:13,583 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 12:52:13,583 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2020-07-21 12:52:13,583 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2020-07-21 12:52:13,583 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-21 12:52:13,583 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2020-07-21 12:52:13,584 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-21 12:52:13,584 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,584 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2020-07-21 12:52:13,584 INFO L264 CegarLoopResult]: At program point L1011(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,584 INFO L264 CegarLoopResult]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,584 INFO L268 CegarLoopResult]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2020-07-21 12:52:13,585 INFO L268 CegarLoopResult]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2020-07-21 12:52:13,585 INFO L268 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-07-21 12:52:13,585 INFO L264 CegarLoopResult]: At program point L1006(line 1006) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,585 INFO L264 CegarLoopResult]: At program point L1005(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,585 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2020-07-21 12:52:13,585 INFO L264 CegarLoopResult]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 957 980) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 957 980) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 957 980) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-21 12:52:13,586 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L962(line 962) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2020-07-21 12:52:13,587 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse8 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse4 .cse2 .cse7 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-21 12:52:13,587 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse7 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse7 .cse5) (or .cse0 .cse3 .cse8 .cse6 .cse9) (or .cse0 .cse1 .cse3 .cse8 .cse9) (or .cse1 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse0 .cse4 .cse2 .cse6 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-21 12:52:13,588 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2020-07-21 12:52:13,588 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 720 755) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 720 755) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 720 755) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-21 12:52:13,589 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2020-07-21 12:52:13,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:52:13,590 INFO L264 CegarLoopResult]: At program point L993(line 993) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,591 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L271 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: true [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2020-07-21 12:52:13,591 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 (<= 1 ~pumpRunning~0)) (or .cse1 .cse5 .cse6 .cse7))) [2020-07-21 12:52:13,592 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse5 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse8) .cse7))) [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point L667(lines 667 675) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L264 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse5 .cse6 .cse7 .cse8))) [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point L663(lines 663 680) no Hoare annotation was computed. [2020-07-21 12:52:13,592 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2020-07-21 12:52:13,593 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse9 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse1 .cse6 .cse7 .cse8 .cse9))) [2020-07-21 12:52:13,593 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse4 .cse8) (or .cse1 .cse6 .cse7 .cse8))) [2020-07-21 12:52:13,593 INFO L268 CegarLoopResult]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2020-07-21 12:52:13,593 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-21 12:52:13,593 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2020-07-21 12:52:13,593 INFO L264 CegarLoopResult]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:13,593 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-07-21 12:52:13,593 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse2 .cse4 .cse7) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse7) (and .cse6 .cse1 .cse2 .cse4 .cse7) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2020-07-21 12:52:13,593 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L264 CegarLoopResult]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:13,594 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-21 12:52:13,594 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) 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(~systemActive~0)|))) [2020-07-21 12:52:13,595 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse2 .cse4 .cse7 .cse8) (and .cse6 .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse5 .cse0 .cse9 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse4 .cse7 .cse8) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2020-07-21 12:52:13,595 INFO L264 CegarLoopResult]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse7 (< 1 ~waterLevel~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse7 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5 .cse8) (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse9 .cse2 .cse3 .cse4) (and .cse1 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:52:13,595 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L264 CegarLoopResult]: At program point L542(line 542) 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)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse2 (not (< 1 ~waterLevel~0)) .cse3))) [2020-07-21 12:52:13,596 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-21 12:52:13,596 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) 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)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse2 (not (< 1 ~waterLevel~0)) .cse3))) [2020-07-21 12:52:13,597 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse2 .cse6 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse3))) [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L264 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 470 492) no Hoare annotation was computed. [2020-07-21 12:52:13,597 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 470 492) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 470 492) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (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 12:52:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 12:52:13,598 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 12:52:13,599 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 892 901) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 892 901) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 892 901) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,600 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2020-07-21 12:52:13,601 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 ~waterLevel~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4 .cse5))) [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 493 501) no Hoare annotation was computed. [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 493 501) no Hoare annotation was computed. [2020-07-21 12:52:13,601 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 493 501) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,602 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,603 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,603 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse5 .cse8) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse9) (or .cse6 .cse2 .cse7 (not (< 1 ~waterLevel~0)) .cse9 .cse8))) [2020-07-21 12:52:13,603 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2020-07-21 12:52:13,603 INFO L268 CegarLoopResult]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2020-07-21 12:52:13,603 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2020-07-21 12:52:13,603 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2020-07-21 12:52:13,603 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2020-07-21 12:52:13,604 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse18 (<= 1 ~pumpRunning~0))) (let ((.cse15 (and .cse0 .cse12 .cse18)) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (and .cse12 .cse13)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~systemActive~0))) (.cse16 (not (<= 1 |old(~pumpRunning~0)|))) (.cse17 (and .cse8 .cse18)) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse2) (or .cse9 .cse10 .cse2 .cse3 .cse4 (and .cse11 .cse12 .cse13)) (or .cse6 .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse14 .cse4) (or .cse15 .cse9 .cse16 .cse3 .cse4 .cse5) (or .cse9 .cse15 .cse7 .cse16 .cse4 .cse5) (or .cse9 .cse0 .cse10 .cse2 .cse3 .cse4 .cse5) (or .cse9 .cse7 (and .cse11 .cse0 .cse12 .cse13) .cse10 .cse2 .cse4 .cse5) (or .cse6 .cse9 .cse7 .cse16 .cse17 .cse10) (or .cse7 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse9 .cse7 .cse10 .cse2 (and .cse11 .cse8 .cse13)) (or .cse9 .cse11 .cse16 .cse10 .cse3 .cse4) (or .cse6 .cse9 .cse8 .cse10 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse14 .cse4) (or .cse9 .cse11 .cse7 .cse16 .cse10 .cse4) (or .cse6 .cse9 .cse16 .cse17 .cse10 .cse3)))) [2020-07-21 12:52:13,604 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse16 (<= 1 ~pumpRunning~0))) (let ((.cse9 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse16)) (.cse8 (< 1 ~waterLevel~0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (not (= 0 ~systemActive~0))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse12 .cse3 .cse4) (or .cse13 .cse0 .cse6 .cse11 .cse12 (and .cse7 .cse14 .cse10)) (or .cse0 .cse7 .cse1 .cse11 .cse2 .cse3) (or .cse13 .cse0 .cse14 .cse11 .cse12 .cse2) (or .cse0 .cse11 .cse12 .cse2 .cse3 (and .cse7 .cse9 .cse10)) (or .cse6 .cse15 .cse12 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse8 .cse11 .cse12 .cse2 .cse3 .cse4) (or .cse15 .cse12 .cse2 .cse3) (or .cse13 .cse0 .cse1 (and .cse14 .cse16) .cse11 .cse2) (or .cse0 (and .cse7 .cse14 .cse16) .cse6 .cse1 .cse11 .cse3)))) [2020-07-21 12:52:13,604 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2020-07-21 12:52:13,605 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse22 (= 0 ~methaneLevelCritical~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse19 (<= ~waterLevel~0 2)) (.cse20 (= 0 ~pumpRunning~0)) (.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse6 (and .cse14 .cse0 .cse13 .cse15)) (.cse11 (and .cse0 .cse13 .cse19 .cse20)) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (and .cse13 .cse20 (<= ~waterLevel~0 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse16 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse17 (and .cse22 .cse20 .cse18)) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse22)) (.cse21 (and .cse19 .cse20)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse4 .cse11) (or .cse12 .cse9 .cse13 .cse1 .cse2) (or .cse12 .cse7 (and .cse14 .cse13 .cse15) .cse8 .cse16 .cse10 .cse3) (or .cse7 .cse16 .cse3 .cse4 .cse17 .cse5 (and .cse18 .cse15)) (or .cse12 .cse13 .cse1 .cse2 .cse3) (or (and .cse0 .cse19 .cse15) .cse7 (and .cse0 .cse19 .cse20) .cse10 .cse2 .cse3 .cse4 .cse5) (or .cse9 .cse1 .cse2 .cse21 .cse4) (or .cse9 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse12 .cse7 .cse8 .cse10 .cse2 .cse3) (or .cse6 .cse7 .cse9 .cse10 .cse2 .cse4 .cse5 .cse11) (or .cse7 .cse9 .cse16 (and .cse20 .cse18) .cse4 .cse5) (or .cse12 .cse7 .cse8 .cse9 .cse16 .cse10) (or .cse7 .cse14 .cse16 .cse10 .cse3 .cse4 .cse17 .cse5) (or .cse1 .cse2 .cse3 .cse21 .cse4)))) [2020-07-21 12:52:13,605 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2020-07-21 12:52:13,605 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse11 (<= 1 ~pumpRunning~0))) (let ((.cse9 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2) .cse11)) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse11)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse5) (or .cse0 .cse3 .cse8 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse8 .cse5) (or .cse9 .cse0 .cse2 .cse4 .cse5 .cse10) (or .cse0 .cse9 .cse6 .cse2 .cse5 .cse10) (or .cse7 .cse8 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5)))) [2020-07-21 12:52:13,605 INFO L268 CegarLoopResult]: For program point L579(lines 578 597) no Hoare annotation was computed. [2020-07-21 12:52:13,605 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2020-07-21 12:52:13,605 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2020-07-21 12:52:13,605 INFO L271 CegarLoopResult]: At program point L952(lines 927 956) the Hoare annotation is: true [2020-07-21 12:52:13,606 INFO L268 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2020-07-21 12:52:13,606 INFO L268 CegarLoopResult]: For program point L941(lines 941 945) no Hoare annotation was computed. [2020-07-21 12:52:13,606 INFO L271 CegarLoopResult]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2020-07-21 12:52:13,606 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-21 12:52:13,606 INFO L271 CegarLoopResult]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2020-07-21 12:52:13,606 INFO L271 CegarLoopResult]: At program point L933(line 933) the Hoare annotation is: true [2020-07-21 12:52:13,606 INFO L268 CegarLoopResult]: For program point L933-1(line 933) no Hoare annotation was computed. [2020-07-21 12:52:13,607 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse3 .cse5) (or .cse2 .cse4 .cse7 .cse8 .cse9 .cse5) (or .cse2 .cse6 .cse7 .cse8 .cse9 .cse5))) [2020-07-21 12:52:13,607 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-21 12:52:13,607 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-21 12:52:13,607 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-21 12:52:13,607 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2020-07-21 12:52:13,607 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,607 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:52:13,607 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:13,608 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:13,608 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2020-07-21 12:52:13,608 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2020-07-21 12:52:13,608 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2020-07-21 12:52:13,608 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,608 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2020-07-21 12:52:13,608 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,608 INFO L268 CegarLoopResult]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2020-07-21 12:52:13,609 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-07-21 12:52:13,609 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:13,609 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-07-21 12:52:13,609 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:13,609 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 12:52:13,609 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-07-21 12:52:13,609 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2020-07-21 12:52:13,610 INFO L268 CegarLoopResult]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2020-07-21 12:52:13,610 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse12 (< 1 ~waterLevel~0)) (.cse13 (<= ~waterLevel~0 2))) (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse3 (and .cse12 .cse13)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse1 .cse8 .cse2 .cse9) (or .cse0 .cse10 .cse8 .cse11 .cse4 .cse6) (or .cse0 .cse12 .cse11 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse10 .cse12 .cse11 .cse4 .cse5 .cse6) (or .cse0 .cse11 .cse2 .cse13 .cse4 .cse6) (or .cse7 .cse0 .cse8 .cse11 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse1 .cse10 .cse3 .cse4 .cse5 .cse9) (or .cse7 .cse0 .cse1 .cse8 .cse2 .cse6) (or .cse7 .cse0 .cse1 .cse10 .cse8 .cse6)))) [2020-07-21 12:52:13,610 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-21 12:52:13,610 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-21 12:52:13,610 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-21 12:52:13,610 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-21 12:52:13,610 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-07-21 12:52:13,611 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,611 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-07-21 12:52:13,611 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2020-07-21 12:52:13,611 INFO L268 CegarLoopResult]: For program point L637(lines 637 654) no Hoare annotation was computed. [2020-07-21 12:52:13,611 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,611 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:13,612 INFO L268 CegarLoopResult]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2020-07-21 12:52:13,612 INFO L264 CegarLoopResult]: At program point L647(line 647) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,612 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-21 12:52:13,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:13 BoogieIcfgContainer [2020-07-21 12:52:13,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:13,636 INFO L168 Benchmark]: Toolchain (without parser) took 27722.27 ms. Allocated memory was 142.1 MB in the beginning and 592.4 MB in the end (delta: 450.4 MB). Free memory was 98.8 MB in the beginning and 421.1 MB in the end (delta: -322.3 MB). Peak memory consumption was 470.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,637 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.30 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 98.3 MB in the beginning and 167.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,638 INFO L168 Benchmark]: Boogie Preprocessor took 88.50 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,639 INFO L168 Benchmark]: RCFGBuilder took 1348.37 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 162.7 MB in the beginning and 189.0 MB in the end (delta: -26.2 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,640 INFO L168 Benchmark]: TraceAbstraction took 25557.56 ms. Allocated memory was 227.0 MB in the beginning and 592.4 MB in the end (delta: 365.4 MB). Free memory was 187.5 MB in the beginning and 421.1 MB in the end (delta: -233.6 MB). Peak memory consumption was 474.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:13,645 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 142.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.30 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 98.3 MB in the beginning and 167.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.50 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1348.37 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 162.7 MB in the beginning and 189.0 MB in the end (delta: -26.2 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25557.56 ms. Allocated memory was 227.0 MB in the beginning and 592.4 MB in the end (delta: 365.4 MB). Free memory was 187.5 MB in the beginning and 421.1 MB in the end (delta: -233.6 MB). Peak memory consumption was 474.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((((((((((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(\old(waterLevel) <= 1)) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((((1 < waterLevel && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 260 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2726 SDtfs, 1556 SDslu, 4058 SDs, 0 SdLazy, 1243 SolverSat, 737 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1478 GetRequests, 1411 SyntacticMatches, 17 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2283occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 1142 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5190 PreInvPairs, 5368 NumberOfFragments, 5091 HoareAnnotationTreeSize, 5190 FomulaSimplifications, 10022 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 17010 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1461 ConstructedInterpolants, 0 QuantifiedInterpolants, 328531 SizeOfPredicates, 32 NumberOfNonLiveVariables, 10425 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 242/253 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...