/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.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:06:45,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:06:45,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:06:45,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:06:45,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:06:45,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:06:45,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:06:45,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:06:45,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:06:45,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:06:45,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:06:45,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:06:45,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:06:45,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:06:45,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:06:45,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:06:45,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:06:45,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:06:45,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:06:45,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:06:45,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:06:45,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:06:45,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:06:45,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:06:45,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:06:45,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:06:45,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:06:45,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:06:45,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:06:45,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:06:45,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:06:45,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:06:45,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:06:45,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:06:45,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:06:45,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:06:45,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:06:45,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:06:45,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:06:45,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:06:45,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:06:45,727 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 [2020-07-19 21:06:45,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:06:45,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:06:45,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:06:45,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:06:45,764 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:06:45,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:06:45,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:06:45,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:06:45,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:06:45,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:06:45,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:06:45,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:06:45,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:06:45,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:06:45,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:06:45,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:06:45,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:06:45,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:06:45,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:06:45,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:06:45,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:06:45,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:06:45,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:06:45,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:06:45,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:06:46,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:06:46,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:06:46,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:06:46,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:06:46,040 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:06:46,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-19 21:06:46,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a600911/a0abad33911240e2ac0a90a06826f2ae/FLAG4e31d6f34 [2020-07-19 21:06:46,658 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:06:46,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-19 21:06:46,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a600911/a0abad33911240e2ac0a90a06826f2ae/FLAG4e31d6f34 [2020-07-19 21:06:46,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a600911/a0abad33911240e2ac0a90a06826f2ae [2020-07-19 21:06:46,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:06:46,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:06:46,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:06:46,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:06:46,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:06:46,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:06:46" (1/1) ... [2020-07-19 21:06:46,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b87a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:46, skipping insertion in model container [2020-07-19 21:06:46,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:06:46" (1/1) ... [2020-07-19 21:06:46,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:06:46,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:06:47,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:06:47,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:06:47,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:06:47,585 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:06:47,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47 WrapperNode [2020-07-19 21:06:47,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:06:47,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:06:47,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:06:47,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:06:47,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (1/1) ... [2020-07-19 21:06:47,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:06:47,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:06:47,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:06:47,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:06:47,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (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 [2020-07-19 21:06:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:06:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:06:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:06:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:06:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:06:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:06:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:06:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:06:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:06:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:06:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:06:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:06:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:06:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:06:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:06:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:06:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:06:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:06:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:06:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:06:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:06:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:06:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:06:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:06:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:06:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:06:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:06:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:06:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:06:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:06:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:06:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:06:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:06:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:06:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:06:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:06:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:06:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:06:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:06:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:06:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:06:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:06:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:06:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:06:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:06:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:06:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:06:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:06:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:06:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:06:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:06:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:06:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:06:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:06:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:06:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:06:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:06:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:06:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:06:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:06:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:06:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:06:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:06:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:06:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:06:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:06:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:06:48,839 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:06:48,840 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:06:48,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:06:48 BoogieIcfgContainer [2020-07-19 21:06:48,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:06:48,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:06:48,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:06:48,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:06:48,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:06:46" (1/3) ... [2020-07-19 21:06:48,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587120e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:06:48, skipping insertion in model container [2020-07-19 21:06:48,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:47" (2/3) ... [2020-07-19 21:06:48,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587120e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:06:48, skipping insertion in model container [2020-07-19 21:06:48,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:06:48" (3/3) ... [2020-07-19 21:06:48,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-07-19 21:06:48,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:06:48,873 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:06:48,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:06:48,912 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:06:48,913 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:06:48,913 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:06:48,913 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:06:48,913 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:06:48,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:06:48,914 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:06:48,914 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:06:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-07-19 21:06:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:06:48,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:48,948 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] [2020-07-19 21:06:48,948 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:48,954 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2020-07-19 21:06:48,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:48,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161365361] [2020-07-19 21:06:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:06:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,635 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:49,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161365361] [2020-07-19 21:06:49,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:49,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:06:49,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031888441] [2020-07-19 21:06:49,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:06:49,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:49,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:06:49,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:06:49,786 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2020-07-19 21:06:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:50,930 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2020-07-19 21:06:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:06:50,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:06:50,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:50,947 INFO L225 Difference]: With dead ends: 318 [2020-07-19 21:06:50,947 INFO L226 Difference]: Without dead ends: 175 [2020-07-19 21:06:50,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:06:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-19 21:06:51,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 144. [2020-07-19 21:06:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-19 21:06:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-07-19 21:06:51,053 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2020-07-19 21:06:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:51,055 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-07-19 21:06:51,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:06:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-07-19 21:06:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:06:51,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:51,062 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] [2020-07-19 21:06:51,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:06:51,063 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2020-07-19 21:06:51,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:51,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426687562] [2020-07-19 21:06:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:06:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,435 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:51,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426687562] [2020-07-19 21:06:51,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:51,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:06:51,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319429902] [2020-07-19 21:06:51,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:06:51,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:51,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:06:51,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:06:51,521 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 5 states. [2020-07-19 21:06:51,983 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:52,897 INFO L93 Difference]: Finished difference Result 257 states and 314 transitions. [2020-07-19 21:06:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:06:52,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:06:52,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:52,904 INFO L225 Difference]: With dead ends: 257 [2020-07-19 21:06:52,904 INFO L226 Difference]: Without dead ends: 165 [2020-07-19 21:06:52,906 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 [2020-07-19 21:06:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-19 21:06:52,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2020-07-19 21:06:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-19 21:06:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2020-07-19 21:06:52,977 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2020-07-19 21:06:52,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:52,978 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2020-07-19 21:06:52,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:06:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2020-07-19 21:06:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:06:52,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:52,981 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] [2020-07-19 21:06:52,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:06:52,981 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:52,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:52,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2020-07-19 21:06:52,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:52,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611683720] [2020-07-19 21:06:52,982 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:06:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,314 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:53,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611683720] [2020-07-19 21:06:53,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:53,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:53,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343891966] [2020-07-19 21:06:53,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:53,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:53,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:53,488 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 9 states. [2020-07-19 21:06:53,885 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:54,229 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:54,485 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:54,724 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:55,667 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:57,306 INFO L93 Difference]: Finished difference Result 450 states and 558 transitions. [2020-07-19 21:06:57,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:06:57,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:06:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:57,315 INFO L225 Difference]: With dead ends: 450 [2020-07-19 21:06:57,315 INFO L226 Difference]: Without dead ends: 343 [2020-07-19 21:06:57,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:06:57,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-19 21:06:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 290. [2020-07-19 21:06:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-19 21:06:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2020-07-19 21:06:57,413 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 64 [2020-07-19 21:06:57,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:57,414 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2020-07-19 21:06:57,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2020-07-19 21:06:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:06:57,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:57,417 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] [2020-07-19 21:06:57,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:06:57,417 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:57,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:57,418 INFO L82 PathProgramCache]: Analyzing trace with hash 423224560, now seen corresponding path program 1 times [2020-07-19 21:06:57,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:57,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007699163] [2020-07-19 21:06:57,419 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:06:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,740 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:06:57,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007699163] [2020-07-19 21:06:57,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:57,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:57,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560119091] [2020-07-19 21:06:57,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:57,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:57,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:57,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:57,896 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 9 states. [2020-07-19 21:06:58,309 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:58,977 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:59,770 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:00,066 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:00,371 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:00,646 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:01,327 INFO L93 Difference]: Finished difference Result 739 states and 964 transitions. [2020-07-19 21:07:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:07:01,327 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:07:01,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:01,332 INFO L225 Difference]: With dead ends: 739 [2020-07-19 21:07:01,333 INFO L226 Difference]: Without dead ends: 477 [2020-07-19 21:07:01,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:07:01,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-07-19 21:07:01,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 413. [2020-07-19 21:07:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-19 21:07:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 499 transitions. [2020-07-19 21:07:01,431 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 499 transitions. Word has length 70 [2020-07-19 21:07:01,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:01,431 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 499 transitions. [2020-07-19 21:07:01,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 499 transitions. [2020-07-19 21:07:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:07:01,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:01,435 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] [2020-07-19 21:07:01,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:07:01,436 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:01,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:01,436 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2020-07-19 21:07:01,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:01,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586595114] [2020-07-19 21:07:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,781 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:01,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586595114] [2020-07-19 21:07:01,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:01,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:07:01,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738665870] [2020-07-19 21:07:01,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:07:01,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:01,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:07:01,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:07:01,965 INFO L87 Difference]: Start difference. First operand 413 states and 499 transitions. Second operand 9 states. [2020-07-19 21:07:03,097 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:03,349 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:03,620 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:03,854 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:04,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:04,588 INFO L93 Difference]: Finished difference Result 884 states and 1127 transitions. [2020-07-19 21:07:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:07:04,589 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-19 21:07:04,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:04,593 INFO L225 Difference]: With dead ends: 884 [2020-07-19 21:07:04,593 INFO L226 Difference]: Without dead ends: 499 [2020-07-19 21:07:04,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:07:04,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-19 21:07:04,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 426. [2020-07-19 21:07:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-19 21:07:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 513 transitions. [2020-07-19 21:07:04,678 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 513 transitions. Word has length 92 [2020-07-19 21:07:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:04,679 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 513 transitions. [2020-07-19 21:07:04,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 513 transitions. [2020-07-19 21:07:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:07:04,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:04,682 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] [2020-07-19 21:07:04,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:07:04,682 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2020-07-19 21:07:04,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:04,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616213997] [2020-07-19 21:07:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:04,975 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:05,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616213997] [2020-07-19 21:07:05,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:05,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:07:05,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382839713] [2020-07-19 21:07:05,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:07:05,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:05,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:07:05,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:07:05,160 INFO L87 Difference]: Start difference. First operand 426 states and 513 transitions. Second operand 11 states. [2020-07-19 21:07:05,742 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:05,973 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:06,191 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:06,917 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:07,191 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:07,424 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:08,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:08,208 INFO L93 Difference]: Finished difference Result 911 states and 1176 transitions. [2020-07-19 21:07:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:07:08,214 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-19 21:07:08,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:08,218 INFO L225 Difference]: With dead ends: 911 [2020-07-19 21:07:08,218 INFO L226 Difference]: Without dead ends: 513 [2020-07-19 21:07:08,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:07:08,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-07-19 21:07:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2020-07-19 21:07:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-19 21:07:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2020-07-19 21:07:08,312 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 92 [2020-07-19 21:07:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:08,313 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2020-07-19 21:07:08,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:07:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2020-07-19 21:07:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:07:08,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:08,315 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] [2020-07-19 21:07:08,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:07:08,316 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:08,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:08,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2020-07-19 21:07:08,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:08,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440948813] [2020-07-19 21:07:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,643 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:08,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440948813] [2020-07-19 21:07:08,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:08,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:07:08,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137411557] [2020-07-19 21:07:08,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:07:08,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:08,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:07:08,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:07:08,791 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 7 states. [2020-07-19 21:07:09,150 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:09,666 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:11,685 INFO L93 Difference]: Finished difference Result 1379 states and 1792 transitions. [2020-07-19 21:07:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:07:11,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-19 21:07:11,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:11,693 INFO L225 Difference]: With dead ends: 1379 [2020-07-19 21:07:11,693 INFO L226 Difference]: Without dead ends: 973 [2020-07-19 21:07:11,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:07:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-07-19 21:07:11,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 899. [2020-07-19 21:07:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-07-19 21:07:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1095 transitions. [2020-07-19 21:07:11,934 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1095 transitions. Word has length 92 [2020-07-19 21:07:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:11,935 INFO L479 AbstractCegarLoop]: Abstraction has 899 states and 1095 transitions. [2020-07-19 21:07:11,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:07:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1095 transitions. [2020-07-19 21:07:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 21:07:11,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:11,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:11,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:07:11,939 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:11,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2020-07-19 21:07:11,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:11,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907024368] [2020-07-19 21:07:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,319 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:12,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907024368] [2020-07-19 21:07:12,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:12,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:07:12,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113279073] [2020-07-19 21:07:12,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:07:12,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:12,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:07:12,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:07:12,462 INFO L87 Difference]: Start difference. First operand 899 states and 1095 transitions. Second operand 12 states. [2020-07-19 21:07:12,950 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:13,566 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:14,224 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:14,554 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:14,817 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:15,112 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:15,399 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:17,415 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:17,704 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:18,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:18,244 INFO L93 Difference]: Finished difference Result 2547 states and 3312 transitions. [2020-07-19 21:07:18,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:07:18,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-19 21:07:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:18,257 INFO L225 Difference]: With dead ends: 2547 [2020-07-19 21:07:18,258 INFO L226 Difference]: Without dead ends: 1864 [2020-07-19 21:07:18,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:07:18,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-07-19 21:07:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1570. [2020-07-19 21:07:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-07-19 21:07:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1900 transitions. [2020-07-19 21:07:18,537 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1900 transitions. Word has length 96 [2020-07-19 21:07:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:18,540 INFO L479 AbstractCegarLoop]: Abstraction has 1570 states and 1900 transitions. [2020-07-19 21:07:18,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:07:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1900 transitions. [2020-07-19 21:07:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-19 21:07:18,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:18,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:18,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:07:18,548 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:18,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1624055928, now seen corresponding path program 1 times [2020-07-19 21:07:18,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:18,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808408944] [2020-07-19 21:07:18,549 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,914 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:07:19,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808408944] [2020-07-19 21:07:19,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937124657] [2020-07-19 21:07:19,302 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 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 [2020-07-19 21:07:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:07:19,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:07:19,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:19,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:07:19,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67876923] [2020-07-19 21:07:19,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:07:19,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:19,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:07:19,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:07:19,755 INFO L87 Difference]: Start difference. First operand 1570 states and 1900 transitions. Second operand 20 states. [2020-07-19 21:07:20,350 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:20,678 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:07:20,940 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:07:21,210 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:07:21,879 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:07:22,118 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:22,447 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:22,880 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:07:23,976 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:24,794 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:07:25,105 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:25,454 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:26,066 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:26,471 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:27,077 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:07:27,556 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:28,039 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:28,700 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:29,427 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:29,753 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:30,048 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:30,340 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:30,617 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:30,910 INFO L93 Difference]: Finished difference Result 3433 states and 4303 transitions. [2020-07-19 21:07:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-19 21:07:30,910 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-19 21:07:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:30,923 INFO L225 Difference]: With dead ends: 3433 [2020-07-19 21:07:30,925 INFO L226 Difference]: Without dead ends: 2067 [2020-07-19 21:07:30,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=974, Invalid=4138, Unknown=0, NotChecked=0, Total=5112 [2020-07-19 21:07:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-07-19 21:07:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1841. [2020-07-19 21:07:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-07-19 21:07:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2184 transitions. [2020-07-19 21:07:31,390 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2184 transitions. Word has length 157 [2020-07-19 21:07:31,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:31,391 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2184 transitions. [2020-07-19 21:07:31,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:07:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2184 transitions. [2020-07-19 21:07:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-19 21:07:31,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:31,400 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:31,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:07:31,614 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:31,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash 510843146, now seen corresponding path program 1 times [2020-07-19 21:07:31,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:31,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708595017] [2020-07-19 21:07:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,010 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-07-19 21:07:32,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708595017] [2020-07-19 21:07:32,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168144502] [2020-07-19 21:07:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 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 [2020-07-19 21:07:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:07:32,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-19 21:07:33,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:33,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 21:07:33,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462454492] [2020-07-19 21:07:33,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 21:07:33,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:33,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 21:07:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:07:33,059 INFO L87 Difference]: Start difference. First operand 1841 states and 2184 transitions. Second operand 24 states. [2020-07-19 21:07:33,605 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:34,509 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:35,250 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:35,783 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:07:36,314 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:07:36,580 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:36,861 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:37,220 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:37,530 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:37,802 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:38,799 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:39,120 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:42,676 INFO L93 Difference]: Finished difference Result 4673 states and 6332 transitions. [2020-07-19 21:07:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-19 21:07:42,677 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 273 [2020-07-19 21:07:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:42,695 INFO L225 Difference]: With dead ends: 4673 [2020-07-19 21:07:42,695 INFO L226 Difference]: Without dead ends: 2879 [2020-07-19 21:07:42,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 377 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-19 21:07:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-07-19 21:07:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2024. [2020-07-19 21:07:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-07-19 21:07:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2389 transitions. [2020-07-19 21:07:43,296 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2389 transitions. Word has length 273 [2020-07-19 21:07:43,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:43,297 INFO L479 AbstractCegarLoop]: Abstraction has 2024 states and 2389 transitions. [2020-07-19 21:07:43,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 21:07:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2389 transitions. [2020-07-19 21:07:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-19 21:07:43,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:43,311 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:43,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:07:43,527 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:43,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:43,527 INFO L82 PathProgramCache]: Analyzing trace with hash -716124732, now seen corresponding path program 1 times [2020-07-19 21:07:43,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:43,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760341786] [2020-07-19 21:07:43,528 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,880 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-07-19 21:07:44,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760341786] [2020-07-19 21:07:44,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41021122] [2020-07-19 21:07:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 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 [2020-07-19 21:07:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:44,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:07:44,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-19 21:07:44,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:44,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:07:44,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121745798] [2020-07-19 21:07:44,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:07:44,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:44,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:07:44,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:07:44,673 INFO L87 Difference]: Start difference. First operand 2024 states and 2389 transitions. Second operand 22 states. [2020-07-19 21:07:45,566 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:07:46,132 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:07:46,610 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:47,081 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:48,024 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:49,220 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:49,777 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:50,242 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:50,815 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:51,821 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:52,066 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:52,822 INFO L93 Difference]: Finished difference Result 3982 states and 4851 transitions. [2020-07-19 21:07:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:07:52,823 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-19 21:07:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:52,836 INFO L225 Difference]: With dead ends: 3982 [2020-07-19 21:07:52,837 INFO L226 Difference]: Without dead ends: 2181 [2020-07-19 21:07:52,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:07:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-07-19 21:07:53,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2026. [2020-07-19 21:07:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-07-19 21:07:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2385 transitions. [2020-07-19 21:07:53,300 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2385 transitions. Word has length 289 [2020-07-19 21:07:53,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:53,300 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 2385 transitions. [2020-07-19 21:07:53,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:07:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2385 transitions. [2020-07-19 21:07:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-19 21:07:53,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:53,310 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:53,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:07:53,525 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1807502815, now seen corresponding path program 1 times [2020-07-19 21:07:53,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:53,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253484625] [2020-07-19 21:07:53,526 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:07:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,821 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-07-19 21:07:54,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253484625] [2020-07-19 21:07:54,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978988494] [2020-07-19 21:07:54,268 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 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 [2020-07-19 21:07:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:07:54,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-19 21:07:54,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:54,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-19 21:07:54,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689755583] [2020-07-19 21:07:54,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:07:54,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:54,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:07:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:07:54,830 INFO L87 Difference]: Start difference. First operand 2026 states and 2385 transitions. Second operand 17 states. [2020-07-19 21:07:55,404 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:56,064 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:57,733 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:57,991 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:07:58,247 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:58,497 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:59,133 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:59,435 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:59,697 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:59,953 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:00,205 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:02,107 INFO L93 Difference]: Finished difference Result 5300 states and 6837 transitions. [2020-07-19 21:08:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-19 21:08:02,108 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 290 [2020-07-19 21:08:02,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:02,127 INFO L225 Difference]: With dead ends: 5300 [2020-07-19 21:08:02,127 INFO L226 Difference]: Without dead ends: 3412 [2020-07-19 21:08:02,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-19 21:08:02,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2020-07-19 21:08:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 2611. [2020-07-19 21:08:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2020-07-19 21:08:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3070 transitions. [2020-07-19 21:08:02,659 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3070 transitions. Word has length 290 [2020-07-19 21:08:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:02,660 INFO L479 AbstractCegarLoop]: Abstraction has 2611 states and 3070 transitions. [2020-07-19 21:08:02,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:08:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3070 transitions. [2020-07-19 21:08:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-19 21:08:02,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:02,671 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:02,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:02,886 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:02,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1887015601, now seen corresponding path program 1 times [2020-07-19 21:08:02,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:02,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686980898] [2020-07-19 21:08:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:08:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,165 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-07-19 21:08:03,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686980898] [2020-07-19 21:08:03,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777128738] [2020-07-19 21:08:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 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 [2020-07-19 21:08:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:03,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:08:03,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-19 21:08:03,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:08:03,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-07-19 21:08:03,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706037676] [2020-07-19 21:08:03,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:08:03,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:03,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:08:03,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:03,832 INFO L87 Difference]: Start difference. First operand 2611 states and 3070 transitions. Second operand 3 states. [2020-07-19 21:08:04,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:04,301 INFO L93 Difference]: Finished difference Result 3112 states and 3674 transitions. [2020-07-19 21:08:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:08:04,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-07-19 21:08:04,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:04,310 INFO L225 Difference]: With dead ends: 3112 [2020-07-19 21:08:04,311 INFO L226 Difference]: Without dead ends: 1083 [2020-07-19 21:08:04,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:04,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-19 21:08:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1057. [2020-07-19 21:08:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-07-19 21:08:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1207 transitions. [2020-07-19 21:08:04,526 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1207 transitions. Word has length 337 [2020-07-19 21:08:04,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:04,527 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1207 transitions. [2020-07-19 21:08:04,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:08:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1207 transitions. [2020-07-19 21:08:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-19 21:08:04,535 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:04,535 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:04,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:08:04,752 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:04,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:04,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1470688312, now seen corresponding path program 1 times [2020-07-19 21:08:04,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:04,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183987497] [2020-07-19 21:08:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 [2020-07-19 21:08:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,051 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 143 proven. 56 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-07-19 21:08:05,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183987497] [2020-07-19 21:08:05,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184001228] [2020-07-19 21:08:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@62124ef5 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:06,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:08:06,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-19 21:08:06,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:06,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 27 [2020-07-19 21:08:06,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290156163] [2020-07-19 21:08:06,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-19 21:08:06,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:06,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-19 21:08:06,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2020-07-19 21:08:06,347 INFO L87 Difference]: Start difference. First operand 1057 states and 1207 transitions. Second operand 27 states. [2020-07-19 21:08:07,006 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:07,928 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:08,889 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-19 21:08:09,748 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:10,319 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-19 21:08:10,831 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-19 21:08:11,281 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:08:11,774 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:08:12,236 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:08:13,647 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-19 21:08:14,619 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:14,934 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:08:15,232 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:15,520 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:15,959 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:16,459 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:08:16,935 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:08:17,833 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-07-19 21:08:18,401 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-19 21:08:18,976 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-19 21:08:19,481 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-19 21:08:20,232 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 21:08:20,763 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-19 21:08:21,267 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-19 21:08:21,911 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:22,510 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-19 21:08:23,182 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:23,770 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 21:08:24,264 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 21:08:24,903 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:25,572 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:08:25,892 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:26,201 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:26,638 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:27,162 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-19 21:08:27,652 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-19 21:08:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:29,960 INFO L93 Difference]: Finished difference Result 2362 states and 2840 transitions. [2020-07-19 21:08:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-19 21:08:29,961 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 358 [2020-07-19 21:08:29,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:29,963 INFO L225 Difference]: With dead ends: 2362 [2020-07-19 21:08:29,963 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:08:29,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 495 SyntacticMatches, 8 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3543 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=1973, Invalid=9157, Unknown=0, NotChecked=0, Total=11130 [2020-07-19 21:08:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:08:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:08:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:08:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:08:29,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-19 21:08:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:29,974 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:08:29,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-19 21:08:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:08:29,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:08:30,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:30,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:08:30,318 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-07-19 21:08:31,089 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-07-19 21:08:38,447 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 342 [2020-07-19 21:08:39,020 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 311 [2020-07-19 21:08:42,092 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 301 [2020-07-19 21:08:45,783 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 400 [2020-07-19 21:08:46,409 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2020-07-19 21:08:46,550 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-07-19 21:08:47,878 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 604 DAG size of output: 405 [2020-07-19 21:08:50,724 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-07-19 21:08:50,929 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-19 21:08:51,168 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-19 21:08:51,540 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:08:51,729 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-19 21:08:52,741 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 194 DAG size of output: 33 [2020-07-19 21:08:52,930 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 21:08:53,700 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 33 [2020-07-19 21:08:53,935 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-19 21:08:54,296 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 26 [2020-07-19 21:08:54,515 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:54,717 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-19 21:08:56,079 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 307 DAG size of output: 40 [2020-07-19 21:08:56,306 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-19 21:08:56,737 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 1 [2020-07-19 21:08:57,967 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 268 DAG size of output: 34 [2020-07-19 21:08:59,013 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 35 [2020-07-19 21:08:59,206 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 21:08:59,370 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-07-19 21:09:00,060 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 35 [2020-07-19 21:09:01,347 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 231 DAG size of output: 31 [2020-07-19 21:09:01,990 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 25 [2020-07-19 21:09:03,231 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 294 DAG size of output: 31 [2020-07-19 21:09:03,972 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 30 [2020-07-19 21:09:04,144 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-19 21:09:05,257 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 171 DAG size of output: 58 [2020-07-19 21:09:06,516 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 244 DAG size of output: 32 [2020-07-19 21:09:07,313 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-07-19 21:09:08,182 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 27 [2020-07-19 21:09:08,943 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 29 [2020-07-19 21:09:09,749 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 18 [2020-07-19 21:09:09,953 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-19 21:09:10,858 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 27 [2020-07-19 21:09:11,057 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:09:11,258 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:09:11,436 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 21:09:11,731 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-19 21:09:11,935 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-19 21:09:13,028 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 223 DAG size of output: 35 [2020-07-19 21:09:13,554 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 35 [2020-07-19 21:09:13,783 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-19 21:09:15,711 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 309 DAG size of output: 33 [2020-07-19 21:09:16,356 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 25 [2020-07-19 21:09:17,008 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 47 [2020-07-19 21:09:17,182 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-19 21:09:17,719 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 23 [2020-07-19 21:09:19,850 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 339 DAG size of output: 37 [2020-07-19 21:09:20,014 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-19 21:09:20,251 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-19 21:09:21,621 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-07-19 21:09:21,626 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-07-19 21:09:21,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-07-19 21:09:21,626 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-07-19 21:09:21,626 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-07-19 21:09:21,626 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-07-19 21:09:21,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-07-19 21:09:21,628 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2020-07-19 21:09:21,629 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-19 21:09:21,629 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2020-07-19 21:09:21,629 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2020-07-19 21:09:21,629 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2020-07-19 21:09:21,629 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:09:21,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2020-07-19 21:09:21,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2020-07-19 21:09:21,630 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse3 .cse4) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-19 21:09:21,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2020-07-19 21:09:21,630 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-19 21:09:21,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2020-07-19 21:09:21,630 INFO L264 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse3 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-19 21:09:21,631 INFO L268 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2020-07-19 21:09:21,631 INFO L268 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2020-07-19 21:09:21,631 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 .cse0 .cse7 .cse2) (or .cse7 (not (= 2 ~waterLevel~0)) .cse2) (or .cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse6 .cse4 .cse3))) [2020-07-19 21:09:21,631 INFO L268 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-07-19 21:09:21,631 INFO L268 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2020-07-19 21:09:21,631 INFO L268 CegarLoopResult]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2020-07-19 21:09:21,631 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-19 21:09:21,632 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-19 21:09:21,632 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2020-07-19 21:09:21,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2020-07-19 21:09:21,632 INFO L264 CegarLoopResult]: At program point L354-1(line 354) 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)|))) [2020-07-19 21:09:21,632 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 348 370) 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)|))) [2020-07-19 21:09:21,632 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2020-07-19 21:09:21,632 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2020-07-19 21:09:21,633 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:21,633 INFO L264 CegarLoopResult]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:21,633 INFO L268 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2020-07-19 21:09:21,633 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2020-07-19 21:09:21,633 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-19 21:09:21,633 INFO L264 CegarLoopResult]: At program point L355(line 355) 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)|))) [2020-07-19 21:09:21,634 INFO L264 CegarLoopResult]: At program point L354(line 354) 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)|))) [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-07-19 21:09:21,634 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2020-07-19 21:09:21,635 INFO L268 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2020-07-19 21:09:21,636 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 |old(~systemActive~0)|)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-19 21:09:21,636 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2020-07-19 21:09:21,636 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-19 21:09:21,636 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-19 21:09:21,636 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-19 21:09:21,636 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-19 21:09:21,636 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-19 21:09:21,637 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-07-19 21:09:21,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-07-19 21:09:21,639 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 334 344) 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)|))) [2020-07-19 21:09:21,639 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L264 CegarLoopResult]: At program point L339(line 339) 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)|))) [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-19 21:09:21,640 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2020-07-19 21:09:21,641 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2020-07-19 21:09:21,641 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse4 (and .cse3 (not (= 0 ~waterLevel~0))) (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-19 21:09:21,641 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-19 21:09:21,642 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-19 21:09:21,642 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-19 21:09:21,642 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-19 21:09:21,642 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-19 21:09:21,642 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-19 21:09:21,642 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-19 21:09:21,642 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-19 21:09:21,643 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 (not (= 1 ~waterLevel~0)) .cse3 .cse4 .cse1))) [2020-07-19 21:09:21,643 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:09:21,643 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-19 21:09:21,643 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-07-19 21:09:21,643 INFO L264 CegarLoopResult]: At program point testENTRY(lines 372 437) 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)|))) [2020-07-19 21:09:21,643 INFO L268 CegarLoopResult]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2020-07-19 21:09:21,643 INFO L264 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:21,644 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:09:21,644 INFO L268 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-07-19 21:09:21,644 INFO L264 CegarLoopResult]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-19 21:09:21,644 INFO L268 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2020-07-19 21:09:21,644 INFO L268 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2020-07-19 21:09:21,644 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 21:09:21,644 INFO L268 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-07-19 21:09:21,644 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L264 CegarLoopResult]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-19 21:09:21,645 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-07-19 21:09:21,645 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-19 21:09:21,646 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-07-19 21:09:21,647 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-07-19 21:09:21,648 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-19 21:09:21,649 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:09:21,650 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-19 21:09:21,650 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-19 21:09:21,650 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-19 21:09:21,650 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or .cse3 .cse0 (not (= 0 ~systemActive~0)) .cse4))) [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse1 .cse2))) [2020-07-19 21:09:21,652 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-19 21:09:21,652 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse3 (not (= 0 ~systemActive~0)) .cse4 .cse5) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2)))) [2020-07-19 21:09:21,653 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-19 21:09:21,653 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 0 ~waterLevel~0)) (.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse2) .cse0 .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse2) .cse8 .cse3) (or .cse8 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse6 .cse7 (not (= 0 ~waterLevel~0))) .cse3))) [2020-07-19 21:09:21,653 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-19 21:09:21,653 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse1 (= 1 ~waterLevel~0)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (and .cse0 .cse13)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse7 (and .cse8 .cse9 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse10 .cse3 .cse4) (or .cse11 .cse10 (and .cse8 .cse9 .cse1) (and .cse0 .cse12 .cse1) .cse4) (or .cse7 .cse10 .cse6 (and .cse0 .cse12 .cse13 (not (= 0 ~waterLevel~0))) (and .cse8 .cse9 .cse13) .cse4) (or .cse5 (and .cse13 (<= 1 ~pumpRunning~0)) .cse11 .cse2 .cse4)))) [2020-07-19 21:09:21,653 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2020-07-19 21:09:21,653 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2020-07-19 21:09:21,654 INFO L268 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-07-19 21:09:21,654 INFO L271 CegarLoopResult]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2020-07-19 21:09:21,654 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-19 21:09:21,654 INFO L271 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2020-07-19 21:09:21,654 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-07-19 21:09:21,654 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 21:09:21,654 INFO L271 CegarLoopResult]: At program point L294(lines 269 298) the Hoare annotation is: true [2020-07-19 21:09:21,654 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-19 21:09:21,654 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:09:21,655 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-07-19 21:09:21,655 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-07-19 21:09:21,655 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2020-07-19 21:09:21,655 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2020-07-19 21:09:21,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,655 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:09:21,655 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:09:21,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:21,655 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-19 21:09:21,656 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-19 21:09:21,656 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-19 21:09:21,656 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-19 21:09:21,656 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-19 21:09:21,656 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-19 21:09:21,656 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-19 21:09:21,656 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3))) [2020-07-19 21:09:21,657 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-19 21:09:21,657 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-19 21:09:21,657 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-07-19 21:09:21,657 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-07-19 21:09:21,657 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse4 .cse2))) [2020-07-19 21:09:21,657 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2020-07-19 21:09:21,657 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2020-07-19 21:09:21,657 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2020-07-19 21:09:21,658 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2020-07-19 21:09:21,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:09:21 BoogieIcfgContainer [2020-07-19 21:09:21,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:09:21,678 INFO L168 Benchmark]: Toolchain (without parser) took 154744.97 ms. Allocated memory was 139.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 102.9 MB in the beginning and 889.4 MB in the end (delta: -786.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 21:09:21,679 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 21:09:21,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.88 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 173.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:21,680 INFO L168 Benchmark]: Boogie Preprocessor took 92.01 ms. Allocated memory is still 204.5 MB. Free memory was 173.9 MB in the beginning and 168.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:21,680 INFO L168 Benchmark]: RCFGBuilder took 1166.45 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.9 MB in the beginning and 193.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:21,681 INFO L168 Benchmark]: TraceAbstraction took 152830.16 ms. Allocated memory was 236.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 193.4 MB in the beginning and 889.4 MB in the end (delta: -696.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 21:09:21,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.88 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 173.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.01 ms. Allocated memory is still 204.5 MB. Free memory was 173.9 MB in the beginning and 168.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.45 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.9 MB in the beginning and 193.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 152830.16 ms. Allocated memory was 236.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 193.4 MB in the beginning and 889.4 MB in the end (delta: -696.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 101.2s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 84.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 51.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2463 SDtfs, 7289 SDslu, 5442 SDs, 0 SdLazy, 24064 SolverSat, 5942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3028 GetRequests, 2567 SyntacticMatches, 14 SemanticMatches, 447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7570 ImplicationChecksByTransitivity, 47.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2611occurred 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, 14 MinimizatonAttempts, 2761 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5423 PreInvPairs, 5833 NumberOfFragments, 2492 HoareAnnotationTreeSize, 5423 FomulaSimplifications, 1430938577 FormulaSimplificationTreeSizeReduction, 19.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 6802052 FormulaSimplificationTreeSizeReductionInter, 31.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 4033 NumberOfCodeBlocks, 4033 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4013 ConstructedInterpolants, 0 QuantifiedInterpolants, 2189025 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7448 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 3691/3930 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...