/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:32,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:32,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:32,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:32,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:32,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:32,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:32,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:32,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:32,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:32,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:32,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:32,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:32,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:32,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:32,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:32,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:32,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:32,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:32,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:32,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:32,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:32,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:32,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:32,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:32,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:32,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:32,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:32,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:32,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:32,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:32,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:32,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:32,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:32,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:32,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:32,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:32,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:32,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:32,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:32,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:32,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:24:32,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:32,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:32,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:32,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:32,701 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:32,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:32,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:32,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:32,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:32,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:32,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:32,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:32,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:32,704 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:32,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:32,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:32,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:32,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:32,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:32,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:32,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:32,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:32,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:32,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:32,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:32,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:32,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:32,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:32,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:24:32,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:32,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:33,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:33,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:33,004 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:33,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 16:24:33,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5ca9560/131a13fa219542949ca2d5970d586aec/FLAG1cad3e19e [2020-07-20 16:24:33,642 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:33,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 16:24:33,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5ca9560/131a13fa219542949ca2d5970d586aec/FLAG1cad3e19e [2020-07-20 16:24:33,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5ca9560/131a13fa219542949ca2d5970d586aec [2020-07-20 16:24:33,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:33,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:33,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:33,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:33,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:33,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:33" (1/1) ... [2020-07-20 16:24:33,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7655ea21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:33, skipping insertion in model container [2020-07-20 16:24:33,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:33" (1/1) ... [2020-07-20 16:24:33,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:34,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:34,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:34,457 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:34,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:34,595 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:34,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34 WrapperNode [2020-07-20 16:24:34,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:34,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:34,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:34,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:34,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... [2020-07-20 16:24:34,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:34,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:34,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:34,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:34,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:24:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:24:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 16:24:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:24:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:24:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:24:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:24:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:24:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:24:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:24:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:24:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 16:24:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:24:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:35,932 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:35,932 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:35,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:35 BoogieIcfgContainer [2020-07-20 16:24:35,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:35,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:35,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:35,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:35,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:33" (1/3) ... [2020-07-20 16:24:35,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcfa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:35, skipping insertion in model container [2020-07-20 16:24:35,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:34" (2/3) ... [2020-07-20 16:24:35,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcfa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:35, skipping insertion in model container [2020-07-20 16:24:35,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:35" (3/3) ... [2020-07-20 16:24:35,946 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-07-20 16:24:35,957 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:35,966 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:35,980 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:36,006 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:36,006 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:36,006 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:36,006 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:36,007 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:36,007 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:36,007 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:36,007 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 16:24:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:24:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:36,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:36,044 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:36,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:36,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2020-07-20 16:24:36,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:36,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856435931] [2020-07-20 16:24:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:36,587 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:36,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:36,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:36,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:36,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:36,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856435931] [2020-07-20 16:24:36,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:36,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:36,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484267140] [2020-07-20 16:24:36,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:36,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:36,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:36,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:36,661 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 16:24:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:36,707 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2020-07-20 16:24:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:36,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 16:24:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:36,723 INFO L225 Difference]: With dead ends: 306 [2020-07-20 16:24:36,723 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 16:24:36,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:36,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 16:24:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 16:24:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 16:24:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-07-20 16:24:36,795 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-07-20 16:24:36,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:36,796 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-07-20 16:24:36,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-07-20 16:24:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 16:24:36,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:36,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:37,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:37,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:37,017 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2020-07-20 16:24:37,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:37,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094685245] [2020-07-20 16:24:37,018 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:37,451 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:37,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:37,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:37,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:37,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:37,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094685245] [2020-07-20 16:24:37,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:37,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:37,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849779673] [2020-07-20 16:24:37,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:37,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:37,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:37,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:37,511 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2020-07-20 16:24:37,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:37,556 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2020-07-20 16:24:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:37,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 16:24:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:37,560 INFO L225 Difference]: With dead ends: 251 [2020-07-20 16:24:37,560 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 16:24:37,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:37,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 16:24:37,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 16:24:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 16:24:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-20 16:24:37,593 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-07-20 16:24:37,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:37,594 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-20 16:24:37,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-20 16:24:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 16:24:37,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:37,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:37,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:37,803 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:37,804 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2020-07-20 16:24:37,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:37,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285749110] [2020-07-20 16:24:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:38,158 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:38,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:38,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:24:38,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:38,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:38,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285749110] [2020-07-20 16:24:38,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:38,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:38,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991215763] [2020-07-20 16:24:38,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:38,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:38,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:38,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:38,192 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2020-07-20 16:24:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:38,211 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2020-07-20 16:24:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:38,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 16:24:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:38,217 INFO L225 Difference]: With dead ends: 264 [2020-07-20 16:24:38,217 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 16:24:38,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:38,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 16:24:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 16:24:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 16:24:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 16:24:38,233 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-07-20 16:24:38,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:38,234 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 16:24:38,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 16:24:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 16:24:38,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:38,237 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] [2020-07-20 16:24:38,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:38,451 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:38,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:38,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2020-07-20 16:24:38,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:38,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270988714] [2020-07-20 16:24:38,454 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:38,848 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:38,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:38,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:24:38,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:38,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:38,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270988714] [2020-07-20 16:24:38,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:38,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:38,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961331777] [2020-07-20 16:24:38,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:38,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:38,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:38,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:38,929 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 6 states. [2020-07-20 16:24:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:39,694 INFO L93 Difference]: Finished difference Result 359 states and 436 transitions. [2020-07-20 16:24:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:24:39,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-07-20 16:24:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:39,699 INFO L225 Difference]: With dead ends: 359 [2020-07-20 16:24:39,700 INFO L226 Difference]: Without dead ends: 239 [2020-07-20 16:24:39,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:24:39,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-07-20 16:24:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 223. [2020-07-20 16:24:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-20 16:24:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 251 transitions. [2020-07-20 16:24:39,727 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 251 transitions. Word has length 76 [2020-07-20 16:24:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:39,728 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 251 transitions. [2020-07-20 16:24:39,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 251 transitions. [2020-07-20 16:24:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 16:24:39,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:39,730 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] [2020-07-20 16:24:39,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:39,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:39,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:39,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1489636928, now seen corresponding path program 1 times [2020-07-20 16:24:39,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:39,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444779229] [2020-07-20 16:24:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:40,373 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:40,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:40,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:24:40,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:40,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:40,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444779229] [2020-07-20 16:24:40,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:40,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:40,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963391069] [2020-07-20 16:24:40,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:40,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:40,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:40,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:40,456 INFO L87 Difference]: Start difference. First operand 223 states and 251 transitions. Second operand 6 states. [2020-07-20 16:24:40,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:40,749 INFO L93 Difference]: Finished difference Result 606 states and 728 transitions. [2020-07-20 16:24:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:40,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 16:24:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:40,758 INFO L225 Difference]: With dead ends: 606 [2020-07-20 16:24:40,758 INFO L226 Difference]: Without dead ends: 407 [2020-07-20 16:24:40,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:24:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-20 16:24:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2020-07-20 16:24:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 16:24:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 468 transitions. [2020-07-20 16:24:40,818 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 468 transitions. Word has length 90 [2020-07-20 16:24:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:40,819 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 468 transitions. [2020-07-20 16:24:40,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 468 transitions. [2020-07-20 16:24:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 16:24:40,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:40,821 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] [2020-07-20 16:24:41,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:41,035 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2020-07-20 16:24:41,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:41,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587593051] [2020-07-20 16:24:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:41,208 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:24:41,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:41,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:24:41,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:41,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:41,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587593051] [2020-07-20 16:24:41,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:41,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:24:41,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140071503] [2020-07-20 16:24:41,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:24:41,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:41,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:24:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:24:41,248 INFO L87 Difference]: Start difference. First operand 403 states and 468 transitions. Second operand 5 states. [2020-07-20 16:24:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:41,293 INFO L93 Difference]: Finished difference Result 785 states and 925 transitions. [2020-07-20 16:24:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:24:41,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-20 16:24:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:41,297 INFO L225 Difference]: With dead ends: 785 [2020-07-20 16:24:41,298 INFO L226 Difference]: Without dead ends: 406 [2020-07-20 16:24:41,299 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 [2020-07-20 16:24:41,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-07-20 16:24:41,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2020-07-20 16:24:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 16:24:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 467 transitions. [2020-07-20 16:24:41,329 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 467 transitions. Word has length 94 [2020-07-20 16:24:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:41,330 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 467 transitions. [2020-07-20 16:24:41,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:24:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 467 transitions. [2020-07-20 16:24:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 16:24:41,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:41,333 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] [2020-07-20 16:24:41,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:41,547 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:41,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2020-07-20 16:24:41,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:41,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814042733] [2020-07-20 16:24:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:41,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:41,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:41,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:24:41,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:41,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:41,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814042733] [2020-07-20 16:24:41,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:41,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:41,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921233147] [2020-07-20 16:24:41,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:41,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:41,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:41,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:41,889 INFO L87 Difference]: Start difference. First operand 403 states and 467 transitions. Second operand 6 states. [2020-07-20 16:24:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:41,935 INFO L93 Difference]: Finished difference Result 778 states and 921 transitions. [2020-07-20 16:24:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:41,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 16:24:41,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:41,939 INFO L225 Difference]: With dead ends: 778 [2020-07-20 16:24:41,939 INFO L226 Difference]: Without dead ends: 399 [2020-07-20 16:24:41,940 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 [2020-07-20 16:24:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-20 16:24:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2020-07-20 16:24:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 16:24:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 459 transitions. [2020-07-20 16:24:41,966 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 459 transitions. Word has length 94 [2020-07-20 16:24:41,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:41,966 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 459 transitions. [2020-07-20 16:24:41,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 459 transitions. [2020-07-20 16:24:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:24:41,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:41,969 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] [2020-07-20 16:24:42,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:42,185 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:42,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:42,186 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2020-07-20 16:24:42,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:42,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949897545] [2020-07-20 16:24:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:42,574 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:42,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:42,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:24:42,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:42,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:42,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949897545] [2020-07-20 16:24:42,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:42,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:42,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439733470] [2020-07-20 16:24:42,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:42,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:42,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:42,627 INFO L87 Difference]: Start difference. First operand 396 states and 459 transitions. Second operand 6 states. [2020-07-20 16:24:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:42,837 INFO L93 Difference]: Finished difference Result 401 states and 464 transitions. [2020-07-20 16:24:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:42,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-20 16:24:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:42,841 INFO L225 Difference]: With dead ends: 401 [2020-07-20 16:24:42,841 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 16:24:42,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:24:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 16:24:42,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2020-07-20 16:24:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 16:24:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2020-07-20 16:24:42,866 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 95 [2020-07-20 16:24:42,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:42,867 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2020-07-20 16:24:42,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2020-07-20 16:24:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 16:24:42,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:42,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:43,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,084 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:43,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:43,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2020-07-20 16:24:43,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:43,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426673325] [2020-07-20 16:24:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,510 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:43,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:43,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:24:43,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:24:43,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:43,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426673325] [2020-07-20 16:24:43,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:43,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:43,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89608478] [2020-07-20 16:24:43,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:43,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:43,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:43,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:43,604 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 6 states. [2020-07-20 16:24:43,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:43,936 INFO L93 Difference]: Finished difference Result 1140 states and 1352 transitions. [2020-07-20 16:24:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:43,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2020-07-20 16:24:43,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:43,943 INFO L225 Difference]: With dead ends: 1140 [2020-07-20 16:24:43,943 INFO L226 Difference]: Without dead ends: 768 [2020-07-20 16:24:43,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-20 16:24:43,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 765. [2020-07-20 16:24:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-20 16:24:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 886 transitions. [2020-07-20 16:24:43,998 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 886 transitions. Word has length 143 [2020-07-20 16:24:43,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:43,998 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 886 transitions. [2020-07-20 16:24:43,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 886 transitions. [2020-07-20 16:24:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 16:24:44,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:44,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:44,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:44,217 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:44,218 INFO L82 PathProgramCache]: Analyzing trace with hash -708969378, now seen corresponding path program 1 times [2020-07-20 16:24:44,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:44,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538851371] [2020-07-20 16:24:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:44,590 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:44,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:44,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:24:44,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 16:24:44,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:24:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:24:44,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538851371] [2020-07-20 16:24:44,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 16:24:44,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 16:24:44,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429618478] [2020-07-20 16:24:44,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:44,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:44,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:44,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:24:44,928 INFO L87 Difference]: Start difference. First operand 765 states and 886 transitions. Second operand 6 states. [2020-07-20 16:24:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:45,143 INFO L93 Difference]: Finished difference Result 1470 states and 1727 transitions. [2020-07-20 16:24:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:24:45,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2020-07-20 16:24:45,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:45,155 INFO L225 Difference]: With dead ends: 1470 [2020-07-20 16:24:45,155 INFO L226 Difference]: Without dead ends: 729 [2020-07-20 16:24:45,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 284 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:24:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-07-20 16:24:45,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2020-07-20 16:24:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-20 16:24:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 835 transitions. [2020-07-20 16:24:45,209 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 835 transitions. Word has length 147 [2020-07-20 16:24:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:45,209 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 835 transitions. [2020-07-20 16:24:45,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 835 transitions. [2020-07-20 16:24:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 16:24:45,215 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:45,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:45,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:45,431 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:45,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:45,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1161992490, now seen corresponding path program 1 times [2020-07-20 16:24:45,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:45,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544392085] [2020-07-20 16:24:45,432 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:45,851 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:45,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:45,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:24:45,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:24:46,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:46,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544392085] [2020-07-20 16:24:46,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:46,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-20 16:24:46,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882385887] [2020-07-20 16:24:46,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 16:24:46,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:46,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 16:24:46,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-07-20 16:24:46,088 INFO L87 Difference]: Start difference. First operand 729 states and 835 transitions. Second operand 13 states. [2020-07-20 16:24:47,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:47,405 INFO L93 Difference]: Finished difference Result 1874 states and 2402 transitions. [2020-07-20 16:24:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 16:24:47,405 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2020-07-20 16:24:47,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:47,414 INFO L225 Difference]: With dead ends: 1874 [2020-07-20 16:24:47,414 INFO L226 Difference]: Without dead ends: 1169 [2020-07-20 16:24:47,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:24:47,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2020-07-20 16:24:47,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 793. [2020-07-20 16:24:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-20 16:24:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 901 transitions. [2020-07-20 16:24:47,477 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 901 transitions. Word has length 149 [2020-07-20 16:24:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:47,477 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 901 transitions. [2020-07-20 16:24:47,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 16:24:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 901 transitions. [2020-07-20 16:24:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 16:24:47,481 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:47,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:47,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:47,697 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1211852600, now seen corresponding path program 1 times [2020-07-20 16:24:47,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:47,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389299970] [2020-07-20 16:24:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 16:24:48,096 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:48,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:48,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:24:48,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:24:48,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:24:48,405 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:24:48,441 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:24:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 16:24:48,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389299970] [2020-07-20 16:24:48,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:24:48,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-20 16:24:48,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192929706] [2020-07-20 16:24:48,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 16:24:48,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:48,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 16:24:48,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-20 16:24:48,583 INFO L87 Difference]: Start difference. First operand 793 states and 901 transitions. Second operand 15 states. [2020-07-20 16:24:49,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:49,925 INFO L93 Difference]: Finished difference Result 1921 states and 2449 transitions. [2020-07-20 16:24:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 16:24:49,926 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2020-07-20 16:24:49,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:49,928 INFO L225 Difference]: With dead ends: 1921 [2020-07-20 16:24:49,928 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:24:49,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 280 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-20 16:24:49,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:24:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:24:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:24:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:24:49,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-20 16:24:49,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:49,935 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:24:49,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 16:24:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:24:49,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:24:50,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:50,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:51,862 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 16:24:52,048 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-07-20 16:24:52,236 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:52,424 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 16:24:52,657 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-07-20 16:24:53,010 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 16:24:53,127 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:53,469 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-20 16:24:53,741 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-20 16:24:54,042 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-07-20 16:24:54,324 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-20 16:24:54,579 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2020-07-20 16:24:54,725 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-07-20 16:24:54,847 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:55,267 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-07-20 16:24:55,553 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2020-07-20 16:24:55,777 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:55,901 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:56,130 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-07-20 16:24:56,277 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:56,577 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 16:24:56,768 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 16:24:56,984 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-20 16:24:57,259 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-20 16:24:57,483 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-07-20 16:24:57,613 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:57,782 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:58,128 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 16:24:58,278 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:58,937 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2020-07-20 16:24:59,170 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:24:59,174 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-20 16:24:59,175 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-20 16:24:59,176 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-20 16:24:59,177 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 16:24:59,177 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-20 16:24:59,177 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2020-07-20 16:24:59,177 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-20 16:24:59,177 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2020-07-20 16:24:59,178 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2020-07-20 16:24:59,178 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2020-07-20 16:24:59,178 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,178 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2020-07-20 16:24:59,178 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,178 INFO L264 CegarLoopResult]: At program point L241-1(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,179 INFO L268 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2020-07-20 16:24:59,179 INFO L268 CegarLoopResult]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2020-07-20 16:24:59,179 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 16:24:59,179 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2020-07-20 16:24:59,179 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,179 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,179 INFO L264 CegarLoopResult]: At program point L235-1(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-20 16:24:59,180 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2020-07-20 16:24:59,181 INFO L268 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L923(lines 923 931) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L935(lines 935 943) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2020-07-20 16:24:59,182 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:24:59,183 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,184 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2020-07-20 16:24:59,184 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2020-07-20 16:24:59,184 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2020-07-20 16:24:59,184 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-20 16:24:59,184 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-20 16:24:59,184 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-20 16:24:59,184 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-20 16:24:59,184 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-20 16:24:59,185 INFO L268 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2020-07-20 16:24:59,186 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2020-07-20 16:24:59,186 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 16:24:59,186 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 16:24:59,186 INFO L268 CegarLoopResult]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2020-07-20 16:24:59,186 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,186 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2020-07-20 16:24:59,186 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2020-07-20 16:24:59,186 INFO L264 CegarLoopResult]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 16:24:59,187 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 16:24:59,187 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-20 16:24:59,187 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2020-07-20 16:24:59,187 INFO L268 CegarLoopResult]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2020-07-20 16:24:59,187 INFO L264 CegarLoopResult]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:59,187 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:59,187 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-20 16:24:59,188 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-20 16:24:59,188 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-20 16:24:59,188 INFO L264 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:59,188 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 16:24:59,188 INFO L264 CegarLoopResult]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 16:24:59,188 INFO L268 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2020-07-20 16:24:59,188 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 16:24:59,189 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2020-07-20 16:24:59,190 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-20 16:24:59,191 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,192 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 16:24:59,193 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2020-07-20 16:24:59,193 INFO L271 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: true [2020-07-20 16:24:59,193 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse5 .cse4 .cse7))) [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,194 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,195 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,195 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-20 16:24:59,195 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 16:24:59,195 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 16:24:59,195 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse8 (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse3)))) [2020-07-20 16:24:59,195 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse11 (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse11 .cse10)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse4 .cse1 .cse6 .cse9) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse1 .cse6 .cse3) (or .cse0 (and .cse8 .cse10 (<= ~waterLevel~0 2)) .cse1 .cse2 .cse6 .cse9)))) [2020-07-20 16:24:59,196 INFO L264 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse2 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (and .cse7 .cse9 .cse10)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~pumpRunning~0)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse4 .cse6 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse8 .cse6) (or .cse0 .cse8 .cse6 .cse5 (and .cse9 .cse10) (and (<= ~waterLevel~0 2) .cse11)) (or .cse0 .cse3 .cse1 (and .cse7 .cse11) .cse8 .cse5)))) [2020-07-20 16:24:59,196 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2020-07-20 16:24:59,196 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse9)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse8 .cse2 .cse6) (or .cse0 .cse5 .cse8 .cse6) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse0 (and .cse4 .cse9 (<= ~waterLevel~0 2)) .cse1 .cse2 .cse6 .cse7)))) [2020-07-20 16:24:59,196 INFO L268 CegarLoopResult]: For program point L775(lines 774 793) no Hoare annotation was computed. [2020-07-20 16:24:59,196 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2020-07-20 16:24:59,196 INFO L271 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2020-07-20 16:24:59,197 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2020-07-20 16:24:59,197 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-07-20 16:24:59,197 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-07-20 16:24:59,197 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2020-07-20 16:24:59,197 INFO L271 CegarLoopResult]: At program point L178(lines 153 182) the Hoare annotation is: true [2020-07-20 16:24:59,197 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 16:24:59,197 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-07-20 16:24:59,197 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2020-07-20 16:24:59,197 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 16:24:59,198 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3))) [2020-07-20 16:24:59,198 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2020-07-20 16:24:59,198 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-07-20 16:24:59,198 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2020-07-20 16:24:59,198 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (and (= ~waterLevel~0 __utac_acc__Specification3_spec__1_~tmp___0~0) (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse3) (or .cse0 .cse6 .cse4 .cse5))) [2020-07-20 16:24:59,198 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-07-20 16:24:59,198 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-07-20 16:24:59,199 INFO L268 CegarLoopResult]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2020-07-20 16:24:59,199 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse7 .cse5 .cse6) (or .cse0 .cse7 .cse2 .cse3))) [2020-07-20 16:24:59,199 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-20 16:24:59,199 INFO L268 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2020-07-20 16:24:59,199 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-20 16:24:59,199 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-20 16:24:59,199 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse4 (<= ~waterLevel~0 2)) .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse3))) [2020-07-20 16:24:59,199 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 16:24:59,200 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 16:24:59,200 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-20 16:24:59,200 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2020-07-20 16:24:59,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,200 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:24:59,200 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:59,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:59,200 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2020-07-20 16:24:59,201 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse4 .cse3) (or .cse0 .cse1 .cse6 .cse4 .cse3))) [2020-07-20 16:24:59,201 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2020-07-20 16:24:59,201 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 16:24:59,201 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2020-07-20 16:24:59,201 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,201 INFO L268 CegarLoopResult]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2020-07-20 16:24:59,201 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse8)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse6 .cse4)))) [2020-07-20 16:24:59,202 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= 0 ~pumpRunning~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse10)) (.cse5 (and .cse10 .cse9)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse8)))) [2020-07-20 16:24:59,202 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-07-20 16:24:59,202 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 16:24:59,202 INFO L268 CegarLoopResult]: For program point L809-1(line 809) no Hoare annotation was computed. [2020-07-20 16:24:59,202 INFO L268 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-07-20 16:24:59,202 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 16:24:59,202 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 16:24:59,203 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse1 .cse5 .cse2 .cse9) (or .cse1 .cse6 .cse3 .cse7 .cse4 .cse8))) [2020-07-20 16:24:59,203 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-20 16:24:59,203 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2020-07-20 16:24:59,203 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2020-07-20 16:24:59,203 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-20 16:24:59,203 INFO L268 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2020-07-20 16:24:59,203 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2020-07-20 16:24:59,204 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 16:24:59,204 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 16:24:59,204 INFO L268 CegarLoopResult]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2020-07-20 16:24:59,204 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,204 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,204 INFO L268 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2020-07-20 16:24:59,204 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 16:24:59,205 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 16:24:59,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:59 BoogieIcfgContainer [2020-07-20 16:24:59,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:59,224 INFO L168 Benchmark]: Toolchain (without parser) took 25282.73 ms. Allocated memory was 146.3 MB in the beginning and 480.8 MB in the end (delta: 334.5 MB). Free memory was 101.3 MB in the beginning and 289.5 MB in the end (delta: -188.2 MB). Peak memory consumption was 320.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:59,224 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 16:24:59,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.03 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.9 MB in the beginning and 170.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:59,225 INFO L168 Benchmark]: Boogie Preprocessor took 100.64 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:59,226 INFO L168 Benchmark]: RCFGBuilder took 1240.16 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 189.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:59,227 INFO L168 Benchmark]: TraceAbstraction took 23282.91 ms. Allocated memory was 235.4 MB in the beginning and 480.8 MB in the end (delta: 245.4 MB). Free memory was 189.4 MB in the beginning and 289.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 319.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:59,230 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 146.3 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.03 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.9 MB in the beginning and 170.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.64 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.16 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 189.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23282.91 ms. Allocated memory was 235.4 MB in the beginning and 480.8 MB in the end (delta: 245.4 MB). Free memory was 189.4 MB in the beginning and 289.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 319.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((0 == methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((1 <= methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2313 SDtfs, 1815 SDslu, 4802 SDs, 0 SdLazy, 2639 SolverSat, 890 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1523 GetRequests, 1425 SyntacticMatches, 16 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=793occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 407 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2391 PreInvPairs, 2752 NumberOfFragments, 3144 HoareAnnotationTreeSize, 2391 FomulaSimplifications, 13532 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 69 FomulaSimplificationsInter, 12104 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1486 ConstructedInterpolants, 0 QuantifiedInterpolants, 359683 SizeOfPredicates, 40 NumberOfNonLiveVariables, 8607 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 186/200 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...