/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:07:56,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:07:56,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:07:56,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:07:56,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:07:56,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:07:56,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:07:56,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:07:56,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:07:56,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:07:56,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:07:56,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:07:56,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:07:56,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:07:56,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:07:56,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:07:56,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:07:56,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:07:56,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:07:56,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:07:56,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:07:56,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:07:56,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:07:56,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:07:56,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:07:56,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:07:56,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:07:56,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:07:56,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:07:56,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:07:56,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:07:56,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:07:56,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:07:56,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:07:56,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:07:56,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:07:56,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:07:56,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:07:56,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:07:56,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:07:56,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:07:56,721 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 01:07:56,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:07:56,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:07:56,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:07:56,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:07:56,745 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:07:56,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:07:56,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:07:56,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:07:56,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:07:56,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:07:56,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:07:56,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:07:56,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:07:56,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:07:56,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:07:56,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:07:56,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:07:56,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:07:56,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:07:56,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:07:56,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:07:56,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:07:56,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:07:56,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:07:56,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:07:56,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:07:56,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:07:56,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:07:56,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:07:56,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:07:57,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:07:57,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:07:57,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:07:57,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:07:57,100 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:07:57,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 01:07:57,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833f502e7/86d90252329044d78194358358f846a9/FLAGdf49b23fd [2020-07-20 01:07:57,646 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:07:57,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 01:07:57,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833f502e7/86d90252329044d78194358358f846a9/FLAGdf49b23fd [2020-07-20 01:07:57,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833f502e7/86d90252329044d78194358358f846a9 [2020-07-20 01:07:58,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:07:58,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:07:58,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:07:58,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:07:58,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:07:58,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:07:57" (1/1) ... [2020-07-20 01:07:58,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab5f492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58, skipping insertion in model container [2020-07-20 01:07:58,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:07:57" (1/1) ... [2020-07-20 01:07:58,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:07:58,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:07:58,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:07:58,596 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:07:58,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:07:58,735 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:07:58,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58 WrapperNode [2020-07-20 01:07:58,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:07:58,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:07:58,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:07:58,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:07:58,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (1/1) ... [2020-07-20 01:07:58,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:07:58,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:07:58,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:07:58,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:07:58,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (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 01:07:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:07:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:07:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:07:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:07:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:07:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:07:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:07:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:07:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:07:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:07:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:07:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:07:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:07:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:07:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:07:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:07:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:07:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:07:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:07:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:07:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:07:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:07:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:07:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:07:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:07:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:07:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:07:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:07:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:07:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:07:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:07:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:07:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:07:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:08:00,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:08:00,104 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:08:00,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:08:00 BoogieIcfgContainer [2020-07-20 01:08:00,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:08:00,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:08:00,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:08:00,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:08:00,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:07:57" (1/3) ... [2020-07-20 01:08:00,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e8bc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:08:00, skipping insertion in model container [2020-07-20 01:08:00,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:07:58" (2/3) ... [2020-07-20 01:08:00,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e8bc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:08:00, skipping insertion in model container [2020-07-20 01:08:00,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:08:00" (3/3) ... [2020-07-20 01:08:00,118 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-20 01:08:00,128 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:08:00,136 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:08:00,150 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:08:00,171 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:08:00,172 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:08:00,172 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:08:00,172 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:08:00,172 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:08:00,173 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:08:00,173 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:08:00,173 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:08:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-20 01:08:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:08:00,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:00,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:00,208 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:00,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-20 01:08:00,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:00,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856207346] [2020-07-20 01:08:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,889 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:01,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856207346] [2020-07-20 01:08:01,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:01,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:08:01,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562895342] [2020-07-20 01:08:01,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:08:01,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:01,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:08:01,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:08:01,042 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2020-07-20 01:08:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:02,139 INFO L93 Difference]: Finished difference Result 360 states and 456 transitions. [2020-07-20 01:08:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:08:02,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:08:02,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:02,157 INFO L225 Difference]: With dead ends: 360 [2020-07-20 01:08:02,157 INFO L226 Difference]: Without dead ends: 198 [2020-07-20 01:08:02,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:08:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-20 01:08:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 163. [2020-07-20 01:08:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-20 01:08:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-20 01:08:02,271 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-20 01:08:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:02,272 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-20 01:08:02,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:08:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-20 01:08:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:08:02,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:02,283 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:02,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:08:02,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:02,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:02,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-20 01:08:02,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:02,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942327235] [2020-07-20 01:08:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,633 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:02,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942327235] [2020-07-20 01:08:02,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:02,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:08:02,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460066732] [2020-07-20 01:08:02,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:08:02,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:02,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:08:02,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:08:02,694 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 5 states. [2020-07-20 01:08:03,181 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:04,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:04,157 INFO L93 Difference]: Finished difference Result 295 states and 356 transitions. [2020-07-20 01:08:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:08:04,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:08:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:04,165 INFO L225 Difference]: With dead ends: 295 [2020-07-20 01:08:04,165 INFO L226 Difference]: Without dead ends: 188 [2020-07-20 01:08:04,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:08:04,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-07-20 01:08:04,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 154. [2020-07-20 01:08:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-20 01:08:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-20 01:08:04,214 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-20 01:08:04,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:04,215 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-20 01:08:04,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:08:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-20 01:08:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:08:04,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:04,217 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:04,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:08:04,218 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:04,218 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-20 01:08:04,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:04,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814368658] [2020-07-20 01:08:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,557 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:04,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814368658] [2020-07-20 01:08:04,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:04,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:08:04,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877563996] [2020-07-20 01:08:04,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:08:04,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:04,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:08:04,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:08:04,685 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 9 states. [2020-07-20 01:08:05,109 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:05,437 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:05,692 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:05,955 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:06,842 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:08,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:08,993 INFO L93 Difference]: Finished difference Result 515 states and 629 transitions. [2020-07-20 01:08:08,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:08:08,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:08:08,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:09,000 INFO L225 Difference]: With dead ends: 515 [2020-07-20 01:08:09,000 INFO L226 Difference]: Without dead ends: 389 [2020-07-20 01:08:09,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:08:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-07-20 01:08:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 324. [2020-07-20 01:08:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-20 01:08:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 388 transitions. [2020-07-20 01:08:09,077 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 388 transitions. Word has length 65 [2020-07-20 01:08:09,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:09,077 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 388 transitions. [2020-07-20 01:08:09,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:08:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 388 transitions. [2020-07-20 01:08:09,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:08:09,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:09,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:09,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:08:09,081 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:09,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:09,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-20 01:08:09,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:09,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687248860] [2020-07-20 01:08:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,389 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:08:09,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687248860] [2020-07-20 01:08:09,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:09,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:08:09,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646388607] [2020-07-20 01:08:09,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:08:09,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:09,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:08:09,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:08:09,511 INFO L87 Difference]: Start difference. First operand 324 states and 388 transitions. Second operand 9 states. [2020-07-20 01:08:10,030 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:10,738 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:11,716 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:11,956 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:12,272 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:12,593 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:13,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:13,415 INFO L93 Difference]: Finished difference Result 819 states and 1054 transitions. [2020-07-20 01:08:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:08:13,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:08:13,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:13,424 INFO L225 Difference]: With dead ends: 819 [2020-07-20 01:08:13,424 INFO L226 Difference]: Without dead ends: 523 [2020-07-20 01:08:13,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:08:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-07-20 01:08:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 455. [2020-07-20 01:08:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-07-20 01:08:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 543 transitions. [2020-07-20 01:08:13,524 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 543 transitions. Word has length 70 [2020-07-20 01:08:13,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:13,526 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 543 transitions. [2020-07-20 01:08:13,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:08:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 543 transitions. [2020-07-20 01:08:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:08:13,531 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:13,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:13,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:08:13,532 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:13,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:13,533 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-20 01:08:13,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:13,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82418293] [2020-07-20 01:08:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,859 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:14,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82418293] [2020-07-20 01:08:14,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:14,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:08:14,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915807922] [2020-07-20 01:08:14,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:08:14,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:14,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:08:14,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:08:14,038 INFO L87 Difference]: Start difference. First operand 455 states and 543 transitions. Second operand 9 states. [2020-07-20 01:08:15,310 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:15,548 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:15,840 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:16,086 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:17,027 INFO L93 Difference]: Finished difference Result 975 states and 1246 transitions. [2020-07-20 01:08:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:08:17,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-20 01:08:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:17,035 INFO L225 Difference]: With dead ends: 975 [2020-07-20 01:08:17,036 INFO L226 Difference]: Without dead ends: 548 [2020-07-20 01:08:17,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:08:17,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-20 01:08:17,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 468. [2020-07-20 01:08:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-07-20 01:08:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2020-07-20 01:08:17,163 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 108 [2020-07-20 01:08:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:17,164 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2020-07-20 01:08:17,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:08:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2020-07-20 01:08:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:08:17,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:17,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:17,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:08:17,175 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:17,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-20 01:08:17,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:17,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201782193] [2020-07-20 01:08:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,489 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:17,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201782193] [2020-07-20 01:08:17,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:17,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:08:17,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201911056] [2020-07-20 01:08:17,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:08:17,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:17,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:08:17,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:08:17,672 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 11 states. [2020-07-20 01:08:18,263 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:18,517 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:18,763 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:19,579 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:19,854 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:20,124 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:21,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:21,227 INFO L93 Difference]: Finished difference Result 998 states and 1270 transitions. [2020-07-20 01:08:21,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:08:21,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-20 01:08:21,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:21,234 INFO L225 Difference]: With dead ends: 998 [2020-07-20 01:08:21,234 INFO L226 Difference]: Without dead ends: 558 [2020-07-20 01:08:21,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:08:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-07-20 01:08:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 476. [2020-07-20 01:08:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-07-20 01:08:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 565 transitions. [2020-07-20 01:08:21,341 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 565 transitions. Word has length 108 [2020-07-20 01:08:21,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:21,345 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 565 transitions. [2020-07-20 01:08:21,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:08:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 565 transitions. [2020-07-20 01:08:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:08:21,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:21,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:21,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:08:21,350 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-20 01:08:21,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:21,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767695102] [2020-07-20 01:08:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,657 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:21,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767695102] [2020-07-20 01:08:21,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:21,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:08:21,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904234157] [2020-07-20 01:08:21,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:08:21,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:21,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:08:21,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:08:21,817 INFO L87 Difference]: Start difference. First operand 476 states and 565 transitions. Second operand 7 states. [2020-07-20 01:08:22,148 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:23,157 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:25,350 INFO L93 Difference]: Finished difference Result 1679 states and 2243 transitions. [2020-07-20 01:08:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:08:25,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-07-20 01:08:25,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:25,362 INFO L225 Difference]: With dead ends: 1679 [2020-07-20 01:08:25,362 INFO L226 Difference]: Without dead ends: 1231 [2020-07-20 01:08:25,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:08:25,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-07-20 01:08:25,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1084. [2020-07-20 01:08:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2020-07-20 01:08:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1346 transitions. [2020-07-20 01:08:25,565 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1346 transitions. Word has length 108 [2020-07-20 01:08:25,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:25,566 INFO L479 AbstractCegarLoop]: Abstraction has 1084 states and 1346 transitions. [2020-07-20 01:08:25,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:08:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1346 transitions. [2020-07-20 01:08:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 01:08:25,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:25,571 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:25,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:08:25,572 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:25,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-20 01:08:25,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:25,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786979902] [2020-07-20 01:08:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,926 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:08:26,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786979902] [2020-07-20 01:08:26,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:26,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:08:26,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227385740] [2020-07-20 01:08:26,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:08:26,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:26,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:08:26,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:08:26,225 INFO L87 Difference]: Start difference. First operand 1084 states and 1346 transitions. Second operand 12 states. [2020-07-20 01:08:26,892 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:27,562 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:28,273 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:28,604 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:28,851 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:29,144 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:29,418 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:31,495 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:31,788 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:32,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:32,394 INFO L93 Difference]: Finished difference Result 3391 states and 4407 transitions. [2020-07-20 01:08:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:08:32,396 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-20 01:08:32,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:32,411 INFO L225 Difference]: With dead ends: 3391 [2020-07-20 01:08:32,412 INFO L226 Difference]: Without dead ends: 2335 [2020-07-20 01:08:32,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:08:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2020-07-20 01:08:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 1945. [2020-07-20 01:08:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-07-20 01:08:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2372 transitions. [2020-07-20 01:08:32,776 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2372 transitions. Word has length 112 [2020-07-20 01:08:32,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:32,777 INFO L479 AbstractCegarLoop]: Abstraction has 1945 states and 2372 transitions. [2020-07-20 01:08:32,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:08:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2372 transitions. [2020-07-20 01:08:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 01:08:32,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:32,782 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:32,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:08:32,783 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-20 01:08:32,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:32,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477697174] [2020-07-20 01:08:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,100 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:08:33,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477697174] [2020-07-20 01:08:33,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960291680] [2020-07-20 01:08:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5adb5379 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:08:33,982 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5adb5379 issued 4 check-sat command(s) [2020-07-20 01:08:33,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:08:33,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:08:34,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:08:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:08:34,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:08:34,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:08:34,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887819275] [2020-07-20 01:08:34,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:08:34,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:34,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:08:34,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:08:34,181 INFO L87 Difference]: Start difference. First operand 1945 states and 2372 transitions. Second operand 20 states. [2020-07-20 01:08:34,868 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:35,254 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:08:35,525 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:08:35,792 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:08:36,599 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:36,889 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:37,255 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:08:37,583 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:08:39,037 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:39,959 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:08:40,456 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:08:40,782 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:41,381 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:41,788 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:42,421 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:08:43,201 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:43,746 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:08:44,537 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:45,281 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:08:45,816 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:08:46,069 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:46,333 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:46,622 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:47,098 INFO L93 Difference]: Finished difference Result 4411 states and 5510 transitions. [2020-07-20 01:08:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-20 01:08:47,099 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 174 [2020-07-20 01:08:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:47,114 INFO L225 Difference]: With dead ends: 4411 [2020-07-20 01:08:47,114 INFO L226 Difference]: Without dead ends: 2494 [2020-07-20 01:08:47,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1107 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-20 01:08:47,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2020-07-20 01:08:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2213. [2020-07-20 01:08:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2020-07-20 01:08:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2626 transitions. [2020-07-20 01:08:47,615 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2626 transitions. Word has length 174 [2020-07-20 01:08:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:47,616 INFO L479 AbstractCegarLoop]: Abstraction has 2213 states and 2626 transitions. [2020-07-20 01:08:47,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:08:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2626 transitions. [2020-07-20 01:08:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-07-20 01:08:47,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:47,629 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:08:47,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:08:47,843 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:47,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1190190750, now seen corresponding path program 1 times [2020-07-20 01:08:47,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:47,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072369126] [2020-07-20 01:08:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:08:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,215 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-07-20 01:08:49,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072369126] [2020-07-20 01:08:49,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724428017] [2020-07-20 01:08:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e262dfd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:08:49,888 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e262dfd issued 3 check-sat command(s) [2020-07-20 01:08:49,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:08:49,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:08:49,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:08:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-20 01:08:50,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:08:50,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-20 01:08:50,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801142999] [2020-07-20 01:08:50,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-20 01:08:50,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:50,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-20 01:08:50,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:08:50,282 INFO L87 Difference]: Start difference. First operand 2213 states and 2626 transitions. Second operand 24 states. [2020-07-20 01:08:51,125 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:52,038 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:52,943 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:53,519 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:08:54,060 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:08:54,348 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:54,719 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:08:54,987 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:55,298 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:08:55,637 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:56,752 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:08:57,100 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:01,987 INFO L93 Difference]: Finished difference Result 5633 states and 7611 transitions. [2020-07-20 01:09:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-20 01:09:01,988 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 311 [2020-07-20 01:09:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:02,009 INFO L225 Difference]: With dead ends: 5633 [2020-07-20 01:09:02,009 INFO L226 Difference]: Without dead ends: 3471 [2020-07-20 01:09:02,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 428 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-20 01:09:02,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3471 states. [2020-07-20 01:09:02,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3471 to 2353. [2020-07-20 01:09:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2353 states. [2020-07-20 01:09:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 2769 transitions. [2020-07-20 01:09:02,566 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 2769 transitions. Word has length 311 [2020-07-20 01:09:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:02,567 INFO L479 AbstractCegarLoop]: Abstraction has 2353 states and 2769 transitions. [2020-07-20 01:09:02,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-20 01:09:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2769 transitions. [2020-07-20 01:09:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-07-20 01:09:02,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:02,578 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:09:02,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:09:02,793 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1236722670, now seen corresponding path program 1 times [2020-07-20 01:09:02,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:02,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305863871] [2020-07-20 01:09:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:09:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,112 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-07-20 01:09:03,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305863871] [2020-07-20 01:09:03,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389283769] [2020-07-20 01:09:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a8322bd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:09:04,096 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a8322bd issued 3 check-sat command(s) [2020-07-20 01:09:04,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:09:04,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:09:04,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:09:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 255 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-20 01:09:04,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:09:04,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:09:04,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424450238] [2020-07-20 01:09:04,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:09:04,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:04,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:09:04,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:09:04,373 INFO L87 Difference]: Start difference. First operand 2353 states and 2769 transitions. Second operand 22 states. [2020-07-20 01:09:05,556 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:09:06,112 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:09:06,591 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:09:07,069 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:09:08,116 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:09:09,508 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:09:10,070 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:09:10,545 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:11,370 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:12,254 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:12,507 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:13,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:13,557 INFO L93 Difference]: Finished difference Result 4879 states and 5930 transitions. [2020-07-20 01:09:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:09:13,558 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 323 [2020-07-20 01:09:13,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:13,572 INFO L225 Difference]: With dead ends: 4879 [2020-07-20 01:09:13,572 INFO L226 Difference]: Without dead ends: 2577 [2020-07-20 01:09:13,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:09:13,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-07-20 01:09:14,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2355. [2020-07-20 01:09:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2355 states. [2020-07-20 01:09:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 2763 transitions. [2020-07-20 01:09:14,117 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 2763 transitions. Word has length 323 [2020-07-20 01:09:14,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:14,120 INFO L479 AbstractCegarLoop]: Abstraction has 2355 states and 2763 transitions. [2020-07-20 01:09:14,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:09:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2763 transitions. [2020-07-20 01:09:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-20 01:09:14,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:14,132 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:09:14,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:09:14,346 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:14,347 INFO L82 PathProgramCache]: Analyzing trace with hash -950759625, now seen corresponding path program 1 times [2020-07-20 01:09:14,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:14,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512459564] [2020-07-20 01:09:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:09:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,656 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-07-20 01:09:15,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512459564] [2020-07-20 01:09:15,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082912105] [2020-07-20 01:09:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10069fdf No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:09:15,465 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10069fdf issued 3 check-sat command(s) [2020-07-20 01:09:15,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:09:15,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:09:15,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:09:15,640 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:09:15,640 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:09:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 256 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-20 01:09:15,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:09:15,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2020-07-20 01:09:15,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569059884] [2020-07-20 01:09:15,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-20 01:09:15,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:15,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-20 01:09:15,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:09:15,744 INFO L87 Difference]: Start difference. First operand 2355 states and 2763 transitions. Second operand 19 states. [2020-07-20 01:09:17,454 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:19,683 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:09:19,961 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:09:20,219 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:09:20,716 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 195 [2020-07-20 01:09:21,289 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-07-20 01:09:21,767 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:09:22,235 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:09:22,488 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:22,943 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:09:26,030 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:09:26,571 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:09:27,091 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-20 01:09:27,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:27,573 INFO L93 Difference]: Finished difference Result 6193 states and 7592 transitions. [2020-07-20 01:09:27,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 01:09:27,574 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 324 [2020-07-20 01:09:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:27,596 INFO L225 Difference]: With dead ends: 6193 [2020-07-20 01:09:27,596 INFO L226 Difference]: Without dead ends: 3867 [2020-07-20 01:09:27,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=504, Invalid=1848, Unknown=0, NotChecked=0, Total=2352 [2020-07-20 01:09:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-07-20 01:09:28,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3243. [2020-07-20 01:09:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3243 states. [2020-07-20 01:09:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 3243 states and 3778 transitions. [2020-07-20 01:09:28,220 INFO L78 Accepts]: Start accepts. Automaton has 3243 states and 3778 transitions. Word has length 324 [2020-07-20 01:09:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:28,221 INFO L479 AbstractCegarLoop]: Abstraction has 3243 states and 3778 transitions. [2020-07-20 01:09:28,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-20 01:09:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 3778 transitions. [2020-07-20 01:09:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-20 01:09:28,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:28,235 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:09:28,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:09:28,450 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:28,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:28,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2086308361, now seen corresponding path program 1 times [2020-07-20 01:09:28,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:28,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894030518] [2020-07-20 01:09:28,452 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b232d39 [2020-07-20 01:09:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,754 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 12 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-07-20 01:09:29,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894030518] [2020-07-20 01:09:29,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356593281] [2020-07-20 01:09:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@631fe44a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:09:29,503 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@631fe44a issued 3 check-sat command(s) [2020-07-20 01:09:29,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:09:29,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:09:29,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:09:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-07-20 01:09:29,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:09:29,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 14 [2020-07-20 01:09:29,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054723325] [2020-07-20 01:09:29,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:09:29,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:29,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:09:29,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:09:29,561 INFO L87 Difference]: Start difference. First operand 3243 states and 3778 transitions. Second operand 6 states. [2020-07-20 01:09:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:29,759 INFO L93 Difference]: Finished difference Result 4034 states and 4656 transitions. [2020-07-20 01:09:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:09:29,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2020-07-20 01:09:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:29,762 INFO L225 Difference]: With dead ends: 4034 [2020-07-20 01:09:29,762 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:09:29,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:09:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:09:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:09:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:09:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:09:29,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2020-07-20 01:09:29,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:29,774 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:09:29,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:09:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:09:29,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:09:30,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:09:30,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:09:30,415 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-07-20 01:09:30,659 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-20 01:09:30,782 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-20 01:09:30,972 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-07-20 01:09:32,024 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 296 [2020-07-20 01:09:33,545 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 305 [2020-07-20 01:09:34,393 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-07-20 01:09:36,479 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:09:37,269 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 304 [2020-07-20 01:09:38,238 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:09:39,602 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-07-20 01:09:39,718 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-07-20 01:09:40,303 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 323 [2020-07-20 01:09:41,823 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 376 [2020-07-20 01:09:42,934 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 370 [2020-07-20 01:09:43,364 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2020-07-20 01:09:44,416 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 27 [2020-07-20 01:09:44,621 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-20 01:09:44,985 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:09:46,164 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-07-20 01:09:46,643 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 20 [2020-07-20 01:09:47,038 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-07-20 01:09:47,674 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 20 [2020-07-20 01:09:47,853 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-20 01:09:48,550 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 23 [2020-07-20 01:09:49,027 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 37 [2020-07-20 01:09:49,140 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2020-07-20 01:09:49,702 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 27 [2020-07-20 01:09:49,891 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:09:50,387 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-07-20 01:09:51,068 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 26 [2020-07-20 01:09:51,860 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-20 01:09:52,083 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:52,305 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:09:52,501 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:09:53,883 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 276 DAG size of output: 34 [2020-07-20 01:09:54,082 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:09:54,673 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 1 [2020-07-20 01:09:55,119 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 26 [2020-07-20 01:09:56,144 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 246 DAG size of output: 25 [2020-07-20 01:09:57,212 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 226 DAG size of output: 26 [2020-07-20 01:09:57,595 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-07-20 01:09:58,055 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 21 [2020-07-20 01:09:58,871 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 24 [2020-07-20 01:10:00,116 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 265 DAG size of output: 25 [2020-07-20 01:10:00,308 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:10:00,953 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 20 [2020-07-20 01:10:01,162 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:10:01,584 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 17 [2020-07-20 01:10:01,899 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 28 [2020-07-20 01:10:02,340 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 19 [2020-07-20 01:10:02,527 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 01:10:02,727 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:10:03,520 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-07-20 01:10:03,738 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-20 01:10:04,157 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2020-07-20 01:10:04,359 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:10:04,554 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:10:04,733 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-20 01:10:05,090 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-07-20 01:10:05,471 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-07-20 01:10:07,351 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 289 DAG size of output: 28 [2020-07-20 01:10:07,595 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-20 01:10:07,800 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:10:08,000 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 01:10:08,693 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 28 [2020-07-20 01:10:10,368 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 283 DAG size of output: 28 [2020-07-20 01:10:10,966 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-07-20 01:10:11,168 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-20 01:10:11,544 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 23 [2020-07-20 01:10:12,459 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 29 [2020-07-20 01:10:12,658 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:10:12,846 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-20 01:10:13,020 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 01:10:13,025 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-20 01:10:13,026 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-20 01:10:13,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-20 01:10:13,026 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 01:10:13,026 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-20 01:10:13,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 01:10:13,027 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-20 01:10:13,028 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-20 01:10:13,028 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 01:10:13,028 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 01:10:13,028 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 01:10:13,028 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 01:10:13,028 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 01:10:13,028 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:10:13,029 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 01:10:13,029 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 01:10:13,029 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-20 01:10:13,029 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 01:10:13,029 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-20 01:10:13,029 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-20 01:10:13,029 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-20 01:10:13,030 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-20 01:10:13,030 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) (= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0) .cse1) (or .cse0 .cse1))) [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-20 01:10:13,030 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-20 01:10:13,031 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-20 01:10:13,031 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-20 01:10:13,031 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,031 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,031 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-20 01:10:13,031 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-20 01:10:13,031 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-20 01:10:13,032 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-20 01:10:13,032 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-20 01:10:13,032 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-20 01:10:13,032 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 01:10:13,032 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,032 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,032 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-20 01:10:13,032 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 01:10:13,033 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-20 01:10:13,034 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse0 (= 0 ~pumpRunning~0)))) (and (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= 0 |old(~systemActive~0)|)) (or .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3)))) [2020-07-20 01:10:13,034 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= 0 |old(~systemActive~0)|)) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-20 01:10:13,035 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-20 01:10:13,035 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-20 01:10:13,035 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-20 01:10:13,036 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-20 01:10:13,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-20 01:10:13,038 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,038 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-20 01:10:13,039 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-20 01:10:13,039 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,039 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-20 01:10:13,039 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-20 01:10:13,039 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-20 01:10:13,039 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 01:10:13,039 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 01:10:13,039 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-20 01:10:13,039 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-20 01:10:13,040 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1))) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse1 .cse2))) [2020-07-20 01:10:13,040 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-20 01:10:13,040 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse1 .cse0) (or .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:10:13,041 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-20 01:10:13,041 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-20 01:10:13,041 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-20 01:10:13,041 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:10:13,041 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3))) [2020-07-20 01:10:13,041 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-20 01:10:13,041 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse1 .cse2))) [2020-07-20 01:10:13,042 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-20 01:10:13,042 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-20 01:10:13,042 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:10:13,042 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,042 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-20 01:10:13,042 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-20 01:10:13,042 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-20 01:10:13,042 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 01:10:13,043 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:10:13,043 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-20 01:10:13,043 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-20 01:10:13,043 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:10:13,043 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-20 01:10:13,043 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-20 01:10:13,043 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-20 01:10:13,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 01:10:13,045 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-20 01:10:13,045 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 01:10:13,046 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-20 01:10:13,046 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-20 01:10:13,046 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-20 01:10:13,046 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 01:10:13,047 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-20 01:10:13,048 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-20 01:10:13,049 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 01:10:13,049 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 01:10:13,049 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 01:10:13,049 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,049 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:10:13,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,050 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 01:10:13,050 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:10:13,050 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 01:10:13,050 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-20 01:10:13,050 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:10:13,050 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-20 01:10:13,050 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 01:10:13,051 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 01:10:13,051 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 01:10:13,051 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2))) [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,053 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 01:10:13,053 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 01:10:13,053 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 01:10:13,053 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-20 01:10:13,053 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-20 01:10:13,053 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= 0 ~pumpRunning~0) .cse1 .cse2)) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (= 0 ~systemActive~0)) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|))) (or .cse3 .cse0 .cse4)))) [2020-07-20 01:10:13,053 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-20 01:10:13,054 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not .cse5)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4))))) [2020-07-20 01:10:13,054 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0)) .cse3 .cse2 (and (not .cse4) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 1 ~pumpRunning~0))) (or .cse3 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1)))) [2020-07-20 01:10:13,054 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-20 01:10:13,054 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1) (or .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-20 01:10:13,054 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-20 01:10:13,054 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-20 01:10:13,054 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-20 01:10:13,055 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-20 01:10:13,055 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 01:10:13,055 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-20 01:10:13,055 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-20 01:10:13,055 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 01:10:13,055 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-20 01:10:13,055 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 01:10:13,055 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (or (not (= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-20 01:10:13,056 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,056 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:10:13,056 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:10:13,056 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 01:10:13,057 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse2 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse2 .cse1))) [2020-07-20 01:10:13,057 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 01:10:13,057 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-20 01:10:13,057 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2))) [2020-07-20 01:10:13,057 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-20 01:10:13,057 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-20 01:10:13,057 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse1 .cse0))) [2020-07-20 01:10:13,057 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-20 01:10:13,058 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse1))) [2020-07-20 01:10:13,058 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 (= 0 ~pumpRunning~0)))) [2020-07-20 01:10:13,058 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-20 01:10:13,058 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2))) [2020-07-20 01:10:13,058 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-20 01:10:13,058 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-20 01:10:13,058 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (= 2 ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:10:13,059 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-20 01:10:13,059 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-20 01:10:13,059 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-20 01:10:13,059 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-20 01:10:13,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:10:13 BoogieIcfgContainer [2020-07-20 01:10:13,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:10:13,079 INFO L168 Benchmark]: Toolchain (without parser) took 135077.47 ms. Allocated memory was 146.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 101.7 MB in the beginning and 110.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,079 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 171.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,080 INFO L168 Benchmark]: Boogie Preprocessor took 112.01 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,080 INFO L168 Benchmark]: RCFGBuilder took 1257.68 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.7 MB in the beginning and 189.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,081 INFO L168 Benchmark]: TraceAbstraction took 132966.36 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 189.7 MB in the beginning and 110.2 MB in the end (delta: 79.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-20 01:10:13,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 171.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.01 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.68 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.7 MB in the beginning and 189.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 132966.36 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 189.7 MB in the beginning and 110.2 MB in the end (delta: 79.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || ((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 89.8s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 73.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 42.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2444 SDtfs, 5508 SDslu, 5403 SDs, 0 SdLazy, 21334 SolverSat, 4198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2585 GetRequests, 2243 SyntacticMatches, 3 SemanticMatches, 339 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3407 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3243occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 3146 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 6169 PreInvPairs, 6283 NumberOfFragments, 1831 HoareAnnotationTreeSize, 6169 FomulaSimplifications, 2199321388 FormulaSimplificationTreeSizeReduction, 13.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 17765504 FormulaSimplificationTreeSizeReductionInter, 29.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3602 NumberOfCodeBlocks, 3283 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3584 ConstructedInterpolants, 0 QuantifiedInterpolants, 1792861 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5718 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2534/2678 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...