/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:14,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:14,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:14,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:14,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:14,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:14,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:14,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:14,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:14,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:14,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:14,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:14,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:14,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:14,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:14,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:14,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:14,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:14,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:14,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:14,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:14,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:14,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:14,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:14,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:14,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:14,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:14,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:14,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:14,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:14,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:14,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:14,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:14,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:14,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:14,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:14,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:14,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:14,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:14,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:14,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:14,816 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 [2020-07-07 10:49:14,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:14,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:14,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:14,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:14,857 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:14,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:14,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:14,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:14,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:14,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:14,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:14,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:14,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:14,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:14,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:14,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:14,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:14,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:14,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:14,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:14,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:14,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:14,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:14,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:14,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:14,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:14,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:14,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:14,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:14,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:15,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:15,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:15,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:15,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:15,209 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:15,209 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-07 10:49:15,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c4b4553/acf43f10523f48b5803bd4a37d078dba/FLAG12fd1e319 [2020-07-07 10:49:15,801 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:15,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-07 10:49:15,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c4b4553/acf43f10523f48b5803bd4a37d078dba/FLAG12fd1e319 [2020-07-07 10:49:16,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c4b4553/acf43f10523f48b5803bd4a37d078dba [2020-07-07 10:49:16,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:16,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:16,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:16,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:16,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:16,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4876eded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16, skipping insertion in model container [2020-07-07 10:49:16,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:16,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:16,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:16,595 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:16,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:16,779 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:16,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16 WrapperNode [2020-07-07 10:49:16,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:16,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:16,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:16,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:16,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (1/1) ... [2020-07-07 10:49:16,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:16,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:16,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:16,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:16,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (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 [2020-07-07 10:49:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:49:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:49:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:49:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:18,200 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:18,200 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:18,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:18 BoogieIcfgContainer [2020-07-07 10:49:18,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:18,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:18,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:18,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:18,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:16" (1/3) ... [2020-07-07 10:49:18,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c943da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:18, skipping insertion in model container [2020-07-07 10:49:18,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:16" (2/3) ... [2020-07-07 10:49:18,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c943da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:18, skipping insertion in model container [2020-07-07 10:49:18,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:18" (3/3) ... [2020-07-07 10:49:18,214 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-07-07 10:49:18,225 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:18,234 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:18,249 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:18,277 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:18,277 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:18,278 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:18,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:18,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:18,278 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:18,279 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:18,279 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-07 10:49:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:18,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:18,318 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] [2020-07-07 10:49:18,318 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:18,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:18,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-07-07 10:49:18,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:18,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156683193] [2020-07-07 10:49:18,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,078 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:19,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156683193] [2020-07-07 10:49:19,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:19,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:19,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919861549] [2020-07-07 10:49:19,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:19,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:19,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:19,253 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-07-07 10:49:20,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:20,453 INFO L93 Difference]: Finished difference Result 314 states and 404 transitions. [2020-07-07 10:49:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:20,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:20,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:20,471 INFO L225 Difference]: With dead ends: 314 [2020-07-07 10:49:20,471 INFO L226 Difference]: Without dead ends: 173 [2020-07-07 10:49:20,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:20,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-07 10:49:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-07-07 10:49:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-07 10:49:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-07 10:49:20,568 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-07-07 10:49:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:20,568 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-07 10:49:20,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-07 10:49:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:49:20,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:20,573 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] [2020-07-07 10:49:20,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:20,574 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:20,574 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-07-07 10:49:20,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:20,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189368796] [2020-07-07 10:49:20,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:20,961 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:21,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189368796] [2020-07-07 10:49:21,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:21,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:21,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113420434] [2020-07-07 10:49:21,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:21,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:21,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:21,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:21,117 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 9 states. [2020-07-07 10:49:21,468 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:21,817 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:22,095 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:22,347 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:23,353 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:25,168 INFO L93 Difference]: Finished difference Result 481 states and 605 transitions. [2020-07-07 10:49:25,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:25,171 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:49:25,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:25,178 INFO L225 Difference]: With dead ends: 481 [2020-07-07 10:49:25,179 INFO L226 Difference]: Without dead ends: 367 [2020-07-07 10:49:25,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:49:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-07-07 10:49:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 313. [2020-07-07 10:49:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-07-07 10:49:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 384 transitions. [2020-07-07 10:49:25,267 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 384 transitions. Word has length 64 [2020-07-07 10:49:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:25,268 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 384 transitions. [2020-07-07 10:49:25,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 384 transitions. [2020-07-07 10:49:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:49:25,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:25,272 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] [2020-07-07 10:49:25,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:25,273 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:25,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-07-07 10:49:25,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:25,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630353113] [2020-07-07 10:49:25,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,601 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:25,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630353113] [2020-07-07 10:49:25,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:25,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:25,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658864661] [2020-07-07 10:49:25,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:25,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:25,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:25,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:25,745 INFO L87 Difference]: Start difference. First operand 313 states and 384 transitions. Second operand 9 states. [2020-07-07 10:49:26,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:26,752 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:27,631 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:28,003 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:28,397 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:28,621 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:29,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:29,485 INFO L93 Difference]: Finished difference Result 829 states and 1126 transitions. [2020-07-07 10:49:29,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:49:29,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:49:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:29,492 INFO L225 Difference]: With dead ends: 829 [2020-07-07 10:49:29,492 INFO L226 Difference]: Without dead ends: 544 [2020-07-07 10:49:29,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:49:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-07-07 10:49:29,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 454. [2020-07-07 10:49:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-07-07 10:49:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 573 transitions. [2020-07-07 10:49:29,620 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 573 transitions. Word has length 70 [2020-07-07 10:49:29,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:29,620 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 573 transitions. [2020-07-07 10:49:29,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 573 transitions. [2020-07-07 10:49:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:49:29,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:29,624 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] [2020-07-07 10:49:29,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:29,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:29,625 INFO L82 PathProgramCache]: Analyzing trace with hash 571882893, now seen corresponding path program 1 times [2020-07-07 10:49:29,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:29,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962756337] [2020-07-07 10:49:29,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,897 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:29,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962756337] [2020-07-07 10:49:29,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:29,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:49:29,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500763990] [2020-07-07 10:49:29,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:49:29,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:29,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:49:29,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:49:29,989 INFO L87 Difference]: Start difference. First operand 454 states and 573 transitions. Second operand 6 states. [2020-07-07 10:49:30,423 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:31,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:31,465 INFO L93 Difference]: Finished difference Result 810 states and 1016 transitions. [2020-07-07 10:49:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:31,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-07 10:49:31,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:31,470 INFO L225 Difference]: With dead ends: 810 [2020-07-07 10:49:31,470 INFO L226 Difference]: Without dead ends: 485 [2020-07-07 10:49:31,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:49:31,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-07 10:49:31,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 412. [2020-07-07 10:49:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-07-07 10:49:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 497 transitions. [2020-07-07 10:49:31,539 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 497 transitions. Word has length 88 [2020-07-07 10:49:31,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:31,540 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 497 transitions. [2020-07-07 10:49:31,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:49:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 497 transitions. [2020-07-07 10:49:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:49:31,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:31,542 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] [2020-07-07 10:49:31,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:31,542 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:31,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2020-07-07 10:49:31,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:31,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262628466] [2020-07-07 10:49:31,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,832 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:32,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262628466] [2020-07-07 10:49:32,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:32,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:32,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408484923] [2020-07-07 10:49:32,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:32,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:32,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:32,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:32,004 INFO L87 Difference]: Start difference. First operand 412 states and 497 transitions. Second operand 9 states. [2020-07-07 10:49:32,428 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:33,439 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,675 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:33,948 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:34,211 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:35,167 INFO L93 Difference]: Finished difference Result 1234 states and 1655 transitions. [2020-07-07 10:49:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:35,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:49:35,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:35,176 INFO L225 Difference]: With dead ends: 1234 [2020-07-07 10:49:35,176 INFO L226 Difference]: Without dead ends: 850 [2020-07-07 10:49:35,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-07-07 10:49:35,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 727. [2020-07-07 10:49:35,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-07-07 10:49:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 881 transitions. [2020-07-07 10:49:35,353 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 881 transitions. Word has length 92 [2020-07-07 10:49:35,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:35,355 INFO L479 AbstractCegarLoop]: Abstraction has 727 states and 881 transitions. [2020-07-07 10:49:35,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 881 transitions. [2020-07-07 10:49:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:49:35,366 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:35,368 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] [2020-07-07 10:49:35,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:35,369 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-07-07 10:49:35,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:35,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123782194] [2020-07-07 10:49:35,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,651 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:35,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123782194] [2020-07-07 10:49:35,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:35,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:35,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045891842] [2020-07-07 10:49:35,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:35,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:35,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:35,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:35,826 INFO L87 Difference]: Start difference. First operand 727 states and 881 transitions. Second operand 9 states. [2020-07-07 10:49:36,876 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:37,135 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:37,409 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:37,670 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:38,384 INFO L93 Difference]: Finished difference Result 1548 states and 1977 transitions. [2020-07-07 10:49:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:38,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:49:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:38,398 INFO L225 Difference]: With dead ends: 1548 [2020-07-07 10:49:38,398 INFO L226 Difference]: Without dead ends: 849 [2020-07-07 10:49:38,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-07-07 10:49:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 747. [2020-07-07 10:49:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-07-07 10:49:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 901 transitions. [2020-07-07 10:49:38,527 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 901 transitions. Word has length 92 [2020-07-07 10:49:38,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:38,527 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 901 transitions. [2020-07-07 10:49:38,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 901 transitions. [2020-07-07 10:49:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:49:38,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:38,530 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] [2020-07-07 10:49:38,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:38,531 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:38,531 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-07-07 10:49:38,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:38,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268959561] [2020-07-07 10:49:38,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,797 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:38,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268959561] [2020-07-07 10:49:38,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:38,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:38,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138934689] [2020-07-07 10:49:38,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:38,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:38,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:38,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:38,932 INFO L87 Difference]: Start difference. First operand 747 states and 901 transitions. Second operand 11 states. [2020-07-07 10:49:39,502 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:39,750 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,974 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:40,736 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:41,020 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:41,232 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:42,068 INFO L93 Difference]: Finished difference Result 1410 states and 1790 transitions. [2020-07-07 10:49:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:42,068 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-07 10:49:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:42,073 INFO L225 Difference]: With dead ends: 1410 [2020-07-07 10:49:42,073 INFO L226 Difference]: Without dead ends: 691 [2020-07-07 10:49:42,077 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 [2020-07-07 10:49:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-07 10:49:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 618. [2020-07-07 10:49:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-07-07 10:49:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 727 transitions. [2020-07-07 10:49:42,212 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 727 transitions. Word has length 92 [2020-07-07 10:49:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:42,213 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 727 transitions. [2020-07-07 10:49:42,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 727 transitions. [2020-07-07 10:49:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-07 10:49:42,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:42,216 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] [2020-07-07 10:49:42,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:42,216 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:42,217 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-07-07 10:49:42,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:42,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977257041] [2020-07-07 10:49:42,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,575 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:42,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977257041] [2020-07-07 10:49:42,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:42,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:42,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470394626] [2020-07-07 10:49:42,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:42,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:42,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:42,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:42,740 INFO L87 Difference]: Start difference. First operand 618 states and 727 transitions. Second operand 12 states. [2020-07-07 10:49:43,182 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:43,788 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:44,475 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:44,859 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:45,126 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:45,419 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:45,712 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:47,535 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:47,821 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:48,243 INFO L93 Difference]: Finished difference Result 1813 states and 2317 transitions. [2020-07-07 10:49:48,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:49:48,243 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-07 10:49:48,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:48,251 INFO L225 Difference]: With dead ends: 1813 [2020-07-07 10:49:48,252 INFO L226 Difference]: Without dead ends: 1405 [2020-07-07 10:49:48,254 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 [2020-07-07 10:49:48,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2020-07-07 10:49:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1271. [2020-07-07 10:49:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-07-07 10:49:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1497 transitions. [2020-07-07 10:49:48,462 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1497 transitions. Word has length 96 [2020-07-07 10:49:48,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:48,464 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1497 transitions. [2020-07-07 10:49:48,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1497 transitions. [2020-07-07 10:49:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-07 10:49:48,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:48,468 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] [2020-07-07 10:49:48,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:48,468 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:48,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:48,469 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-07-07 10:49:48,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:48,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796960320] [2020-07-07 10:49:48,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,826 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:49:49,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796960320] [2020-07-07 10:49:49,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754740387] [2020-07-07 10:49:49,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:49:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,562 INFO L264 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:49,579 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:49,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:49,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:49,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956674517] [2020-07-07 10:49:49,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:49,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:49,824 INFO L87 Difference]: Start difference. First operand 1271 states and 1497 transitions. Second operand 20 states. [2020-07-07 10:49:50,434 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:50,787 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:51,050 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:51,303 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:51,945 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:52,292 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:52,701 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:52,980 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:54,082 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:54,978 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:49:55,502 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:49:55,876 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:56,499 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:56,937 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:57,563 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:49:58,294 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:58,814 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:49:59,492 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:00,256 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:00,767 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:01,052 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:01,326 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:01,588 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:01,930 INFO L93 Difference]: Finished difference Result 2871 states and 3532 transitions. [2020-07-07 10:50:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 10:50:01,931 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 155 [2020-07-07 10:50:01,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:01,941 INFO L225 Difference]: With dead ends: 2871 [2020-07-07 10:50:01,942 INFO L226 Difference]: Without dead ends: 1804 [2020-07-07 10:50:01,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=893, Invalid=3529, Unknown=0, NotChecked=0, Total=4422 [2020-07-07 10:50:01,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2020-07-07 10:50:02,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1588. [2020-07-07 10:50:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2020-07-07 10:50:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1864 transitions. [2020-07-07 10:50:02,239 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1864 transitions. Word has length 155 [2020-07-07 10:50:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:02,240 INFO L479 AbstractCegarLoop]: Abstraction has 1588 states and 1864 transitions. [2020-07-07 10:50:02,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:50:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1864 transitions. [2020-07-07 10:50:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-07-07 10:50:02,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:02,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:02,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:50:02,469 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:02,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1402201584, now seen corresponding path program 1 times [2020-07-07 10:50:02,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:02,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463621754] [2020-07-07 10:50:02,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,926 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-07 10:50:03,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463621754] [2020-07-07 10:50:03,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109710592] [2020-07-07 10:50:03,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:03,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:50:03,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:50:04,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:04,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-07 10:50:04,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091859548] [2020-07-07 10:50:04,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 10:50:04,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:04,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 10:50:04,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:50:04,181 INFO L87 Difference]: Start difference. First operand 1588 states and 1864 transitions. Second operand 25 states. [2020-07-07 10:50:05,494 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 10:50:06,346 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:07,326 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:07,880 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:08,411 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:08,669 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:08,922 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:09,230 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:09,535 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:09,790 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:10,634 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:10,947 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:14,122 INFO L93 Difference]: Finished difference Result 4329 states and 5914 transitions. [2020-07-07 10:50:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-07 10:50:14,122 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 269 [2020-07-07 10:50:14,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:14,140 INFO L225 Difference]: With dead ends: 4329 [2020-07-07 10:50:14,140 INFO L226 Difference]: Without dead ends: 2788 [2020-07-07 10:50:14,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 10:50:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2020-07-07 10:50:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 1984. [2020-07-07 10:50:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1984 states. [2020-07-07 10:50:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2338 transitions. [2020-07-07 10:50:14,662 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2338 transitions. Word has length 269 [2020-07-07 10:50:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:14,663 INFO L479 AbstractCegarLoop]: Abstraction has 1984 states and 2338 transitions. [2020-07-07 10:50:14,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 10:50:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2338 transitions. [2020-07-07 10:50:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-07-07 10:50:14,676 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:14,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:14,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:50:14,891 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:14,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1874771990, now seen corresponding path program 1 times [2020-07-07 10:50:14,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:14,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347550058] [2020-07-07 10:50:14,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,221 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-07-07 10:50:15,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347550058] [2020-07-07 10:50:15,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180153084] [2020-07-07 10:50:15,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:15,946 INFO L264 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:50:15,956 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-07 10:50:16,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:16,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:50:16,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939224115] [2020-07-07 10:50:16,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:50:16,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:16,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:50:16,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:50:16,166 INFO L87 Difference]: Start difference. First operand 1984 states and 2338 transitions. Second operand 22 states. [2020-07-07 10:50:16,893 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:17,503 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:50:17,991 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:18,482 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:19,491 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:20,593 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:21,132 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:21,647 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:22,208 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:23,120 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:23,360 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:24,080 INFO L93 Difference]: Finished difference Result 3900 states and 4748 transitions. [2020-07-07 10:50:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:50:24,080 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 285 [2020-07-07 10:50:24,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:24,092 INFO L225 Difference]: With dead ends: 3900 [2020-07-07 10:50:24,092 INFO L226 Difference]: Without dead ends: 2139 [2020-07-07 10:50:24,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:50:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-07-07 10:50:24,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1986. [2020-07-07 10:50:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2020-07-07 10:50:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2334 transitions. [2020-07-07 10:50:24,505 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2334 transitions. Word has length 285 [2020-07-07 10:50:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:24,508 INFO L479 AbstractCegarLoop]: Abstraction has 1986 states and 2334 transitions. [2020-07-07 10:50:24,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:50:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2334 transitions. [2020-07-07 10:50:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-07 10:50:24,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:24,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:24,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:50:24,734 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:24,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:24,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1077945844, now seen corresponding path program 1 times [2020-07-07 10:50:24,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:24,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872970526] [2020-07-07 10:50:24,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,037 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-07-07 10:50:25,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872970526] [2020-07-07 10:50:25,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058340121] [2020-07-07 10:50:25,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,693 INFO L264 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:50:25,700 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-07-07 10:50:25,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:25,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-07 10:50:25,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582303930] [2020-07-07 10:50:25,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:50:25,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:25,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:50:25,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:50:25,907 INFO L87 Difference]: Start difference. First operand 1986 states and 2334 transitions. Second operand 22 states. [2020-07-07 10:50:26,427 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:27,230 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:27,577 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:28,020 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:31,455 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:31,736 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:32,002 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:32,245 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:32,748 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:50:33,010 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:33,487 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:50:33,740 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:34,298 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:34,799 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:35,798 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:36,114 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:36,391 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:36,656 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:37,176 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:50:37,650 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:50:38,557 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:40,462 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:40,740 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:40,998 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:41,547 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:42,020 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:44,983 INFO L93 Difference]: Finished difference Result 8048 states and 10658 transitions. [2020-07-07 10:50:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-07-07 10:50:44,989 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 286 [2020-07-07 10:50:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:45,022 INFO L225 Difference]: With dead ends: 8048 [2020-07-07 10:50:45,022 INFO L226 Difference]: Without dead ends: 5928 [2020-07-07 10:50:45,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3613 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1941, Invalid=8771, Unknown=0, NotChecked=0, Total=10712 [2020-07-07 10:50:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5928 states. [2020-07-07 10:50:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 4498. [2020-07-07 10:50:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4498 states. [2020-07-07 10:50:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 5180 transitions. [2020-07-07 10:50:45,937 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 5180 transitions. Word has length 286 [2020-07-07 10:50:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:45,938 INFO L479 AbstractCegarLoop]: Abstraction has 4498 states and 5180 transitions. [2020-07-07 10:50:45,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:50:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 5180 transitions. [2020-07-07 10:50:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-07-07 10:50:45,955 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:45,955 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:46,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:46,170 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash -839039157, now seen corresponding path program 1 times [2020-07-07 10:50:46,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:46,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756632328] [2020-07-07 10:50:46,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,517 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 163 proven. 3 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2020-07-07 10:50:46,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756632328] [2020-07-07 10:50:46,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397160510] [2020-07-07 10:50:46,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:50:47,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-07-07 10:50:47,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:50:47,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 11 [2020-07-07 10:50:47,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635128507] [2020-07-07 10:50:47,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:50:47,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:47,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:50:47,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:50:47,360 INFO L87 Difference]: Start difference. First operand 4498 states and 5180 transitions. Second operand 3 states. [2020-07-07 10:50:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:47,738 INFO L93 Difference]: Finished difference Result 5418 states and 6274 transitions. [2020-07-07 10:50:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:50:47,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 401 [2020-07-07 10:50:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:47,749 INFO L225 Difference]: With dead ends: 5418 [2020-07-07 10:50:47,750 INFO L226 Difference]: Without dead ends: 1832 [2020-07-07 10:50:47,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:50:47,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2020-07-07 10:50:48,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1800. [2020-07-07 10:50:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-07-07 10:50:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2009 transitions. [2020-07-07 10:50:48,027 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2009 transitions. Word has length 401 [2020-07-07 10:50:48,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:48,027 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2009 transitions. [2020-07-07 10:50:48,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:50:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2009 transitions. [2020-07-07 10:50:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-07 10:50:48,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:48,033 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:48,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:50:48,249 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:48,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:48,249 INFO L82 PathProgramCache]: Analyzing trace with hash 199530015, now seen corresponding path program 1 times [2020-07-07 10:50:48,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:48,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937833663] [2020-07-07 10:50:48,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,707 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,209 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2020-07-07 10:50:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 108 proven. 91 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-07 10:50:49,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937833663] [2020-07-07 10:50:49,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678150761] [2020-07-07 10:50:49,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:49,650 INFO L264 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:50:49,672 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-07-07 10:50:49,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:49,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12] total 28 [2020-07-07 10:50:49,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859085879] [2020-07-07 10:50:49,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-07 10:50:49,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:49,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-07 10:50:49,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:50:49,908 INFO L87 Difference]: Start difference. First operand 1800 states and 2009 transitions. Second operand 28 states. [2020-07-07 10:50:50,566 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:51,650 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-07-07 10:50:53,083 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:53,649 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:54,165 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:54,649 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 10:50:55,168 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 10:50:55,657 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 10:50:57,470 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:58,074 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:58,619 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:59,116 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:51:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:00,514 INFO L93 Difference]: Finished difference Result 2952 states and 3386 transitions. [2020-07-07 10:51:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-07 10:51:00,515 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 358 [2020-07-07 10:51:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:00,517 INFO L225 Difference]: With dead ends: 2952 [2020-07-07 10:51:00,517 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:51:00,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 493 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=797, Invalid=4033, Unknown=0, NotChecked=0, Total=4830 [2020-07-07 10:51:00,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:51:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:51:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:51:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:51:00,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-07 10:51:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:00,528 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:51:00,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-07 10:51:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:51:00,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:51:00,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:00,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:51:03,934 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 573 DAG size of output: 487 [2020-07-07 10:51:06,698 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 710 DAG size of output: 577 [2020-07-07 10:51:20,425 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 375 [2020-07-07 10:51:21,917 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 416 [2020-07-07 10:51:23,142 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 531 DAG size of output: 430 [2020-07-07 10:51:27,018 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 202 DAG size of output: 31 [2020-07-07 10:51:27,218 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-07 10:51:27,567 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:51:28,605 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 195 DAG size of output: 30 [2020-07-07 10:51:28,774 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:51:30,124 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 386 DAG size of output: 47 [2020-07-07 10:51:30,476 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2020-07-07 10:51:31,212 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2020-07-07 10:51:31,410 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-07 10:51:31,622 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 10:51:31,844 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-07 10:51:32,042 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 10:51:34,225 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 469 DAG size of output: 44 [2020-07-07 10:51:34,432 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:35,343 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 33 [2020-07-07 10:51:35,539 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:51:38,757 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 321 DAG size of output: 43 [2020-07-07 10:51:38,979 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-07 10:51:39,760 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 1 [2020-07-07 10:51:42,627 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 261 DAG size of output: 40 [2020-07-07 10:51:43,792 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 166 DAG size of output: 49 [2020-07-07 10:51:44,155 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-07-07 10:51:45,376 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 299 DAG size of output: 31 [2020-07-07 10:51:47,569 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 231 DAG size of output: 39 [2020-07-07 10:51:50,817 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 310 DAG size of output: 36 [2020-07-07 10:51:52,530 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 198 DAG size of output: 34 [2020-07-07 10:51:53,897 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 188 DAG size of output: 30 [2020-07-07 10:51:54,145 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-07 10:51:55,531 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-07-07 10:51:57,216 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 223 DAG size of output: 40 [2020-07-07 10:51:58,670 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 188 DAG size of output: 35 [2020-07-07 10:51:58,864 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:52:00,056 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 188 DAG size of output: 38 [2020-07-07 10:52:00,246 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:52:00,454 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:52:00,653 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:52:01,820 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 37 [2020-07-07 10:52:01,995 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-07 10:52:02,191 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-07 10:52:02,382 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:52:03,440 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 193 DAG size of output: 33 [2020-07-07 10:52:04,481 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 277 DAG size of output: 44 [2020-07-07 10:52:04,679 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:52:04,870 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:52:05,868 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 23 [2020-07-07 10:52:07,628 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 181 DAG size of output: 61 [2020-07-07 10:52:08,937 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 307 DAG size of output: 45 [2020-07-07 10:52:10,934 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 351 DAG size of output: 37 [2020-07-07 10:52:13,445 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 344 DAG size of output: 39 [2020-07-07 10:52:14,237 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2020-07-07 10:52:14,242 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-07 10:52:14,242 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-07-07 10:52:14,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-07-07 10:52:14,242 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-07-07 10:52:14,243 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-07-07 10:52:14,244 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-07-07 10:52:14,245 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-07 10:52:14,245 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-07 10:52:14,245 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:52:14,245 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-07 10:52:14,245 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:52:14,246 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:14,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2020-07-07 10:52:14,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2020-07-07 10:52:14,246 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~waterLevel~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse6 .cse5 .cse3) (or .cse4 .cse7 .cse1 .cse6 .cse3))) [2020-07-07 10:52:14,246 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 10:52:14,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2020-07-07 10:52:14,247 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2020-07-07 10:52:14,247 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse5) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-07 10:52:14,247 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2020-07-07 10:52:14,247 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-07 10:52:14,247 INFO L268 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2020-07-07 10:52:14,248 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse1 (not (= 0 ~waterLevel~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (= __utac_acc__Specification5_spec__3_~tmp~5 ~waterLevel~0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse3) (or .cse5 .cse0 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) .cse6 .cse0 .cse2) (or .cse7 .cse8 .cse9 .cse1 .cse2 .cse3) (or .cse6 .cse4 .cse0) (or .cse5 .cse7 .cse8 .cse9 .cse2 .cse3) (or .cse4 .cse9 .cse3))) [2020-07-07 10:52:14,248 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-07 10:52:14,248 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2020-07-07 10:52:14,248 INFO L268 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2020-07-07 10:52:14,248 INFO L268 CegarLoopResult]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2020-07-07 10:52:14,248 INFO L271 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: true [2020-07-07 10:52:14,248 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-07 10:52:14,249 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:14,249 INFO L264 CegarLoopResult]: At program point L384-1(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:14,249 INFO L268 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-07-07 10:52:14,249 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 372 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:52:14,249 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2020-07-07 10:52:14,250 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-07 10:52:14,250 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:52:14,250 INFO L264 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:52:14,250 INFO L264 CegarLoopResult]: At program point L378-1(line 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:52:14,250 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2020-07-07 10:52:14,250 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-07 10:52:14,251 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2020-07-07 10:52:14,252 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:52:14,252 INFO L268 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and .cse6 (= 0 ~pumpRunning~0))) (.cse2 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0))) (or .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse5)))) [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-07-07 10:52:14,253 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-07-07 10:52:14,254 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-07-07 10:52:14,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-07-07 10:52:14,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-07-07 10:52:14,255 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:52:14,255 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:14,255 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2020-07-07 10:52:14,255 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2020-07-07 10:52:14,255 INFO L271 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: true [2020-07-07 10:52:14,255 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2020-07-07 10:52:14,256 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2020-07-07 10:52:14,256 INFO L268 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2020-07-07 10:52:14,257 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2020-07-07 10:52:14,257 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2020-07-07 10:52:14,257 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse2 .cse3))) [2020-07-07 10:52:14,257 INFO L268 CegarLoopResult]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2020-07-07 10:52:14,257 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse3) (or .cse7 .cse5 .cse4 .cse6 .cse3))) [2020-07-07 10:52:14,257 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse4) (or .cse7 .cse5 .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse4))) [2020-07-07 10:52:14,258 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))) (.cse7 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse5 .cse7 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-07 10:52:14,258 INFO L268 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-07-07 10:52:14,258 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse5 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or .cse0 .cse5 .cse1) (or .cse6 .cse0 .cse1) (or .cse6 .cse3 .cse2 .cse4 .cse1))) [2020-07-07 10:52:14,258 INFO L268 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-07-07 10:52:14,258 INFO L268 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-07-07 10:52:14,258 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2020-07-07 10:52:14,258 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2020-07-07 10:52:14,259 INFO L264 CegarLoopResult]: At program point testENTRY(lines 396 461) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 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)|))) [2020-07-07 10:52:14,259 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse3) (and .cse0 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1)))) [2020-07-07 10:52:14,259 INFO L268 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-07-07 10:52:14,259 INFO L264 CegarLoopResult]: At program point L442-1(lines 436 449) the Hoare annotation is: (let ((.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse4) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse4 .cse7) (and .cse0 .cse8 .cse4 .cse6))) [2020-07-07 10:52:14,259 INFO L268 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2020-07-07 10:52:14,259 INFO L268 CegarLoopResult]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2020-07-07 10:52:14,259 INFO L268 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse0 .cse2 .cse5 .cse6) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse7 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 (= 1 ~waterLevel~0) .cse2 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse5))) [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L264 CegarLoopResult]: At program point L451(lines 406 453) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse0 .cse3 .cse6 .cse7) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse8 .cse3 .cse6))) [2020-07-07 10:52:14,260 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse0 .cse3 .cse6 .cse7) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse8 .cse3 .cse6))) [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-07 10:52:14,260 INFO L264 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:14,260 INFO L268 CegarLoopResult]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-07-07 10:52:14,261 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-07 10:52:14,262 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,263 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 188 195) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L271 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: true [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L268 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-07-07 10:52:14,264 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse2) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse4 .cse5 .cse3) (or .cse8 .cse0 .cse2 .cse3) (or .cse8 .cse0 .cse6 .cse7 .cse4 .cse3))) [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-07 10:52:14,265 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse11 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= 0 ~waterLevel~0)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse1) .cse4) (or (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse9 .cse5 (and .cse7 .cse8 .cse10) .cse11 .cse4) (or .cse2 (and .cse0 .cse12) .cse11 .cse4) (or (and .cse0 .cse10) .cse6 .cse2 .cse4) (or .cse9 .cse5 (and .cse7 .cse8 .cse12) .cse3 .cse4))) [2020-07-07 10:52:14,266 INFO L264 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= 0 ~methaneLevelCritical~0))) (let ((.cse11 (not (= 0 |old(~waterLevel~0)|))) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= 1 ~waterLevel~0)) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse13)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= 0 ~waterLevel~0)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse15 (and .cse0 .cse10)) (.cse16 (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 .cse6 .cse7 (and .cse8 .cse9 .cse10) .cse11 .cse4) (or .cse2 (and .cse0 .cse12) .cse11 .cse4) (or .cse5 .cse13 .cse6 .cse3 (and .cse0 .cse14 .cse12) .cse4) (or .cse15 (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse6 .cse16 .cse7 (and .cse8 .cse9 .cse1) .cse4) (or .cse5 .cse13 .cse6 .cse11 (and .cse0 .cse14 .cse10) .cse4) (or .cse13 .cse6 .cse16 (and .cse0 .cse14 .cse1) .cse4) (or .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse12) .cse3 .cse4) (or .cse15 (and .cse10 (<= 1 ~pumpRunning~0)) .cse16 .cse2 .cse4)))) [2020-07-07 10:52:14,266 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (let ((.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= 0 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse8 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (and (= 0 ~pumpRunning~0) .cse9 .cse10)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse5 .cse3) (or .cse6 (not (= 0 ~systemActive~0)) .cse7 (not (<= |old(~waterLevel~0)| 2))) (or .cse6 .cse7 .cse8 .cse3) (or .cse4 .cse0 .cse2 .cse8 .cse3) (or .cse6 .cse1 .cse7 .cse3)))) [2020-07-07 10:52:14,266 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 (not (<= |old(~waterLevel~0)| 2))) (or .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse7 .cse3) (or .cse4 .cse7 .cse3) (or .cse6 .cse0 .cse5 .cse2 .cse3))) [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point L109(lines 105 127) no Hoare annotation was computed. [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point L107(lines 105 127) no Hoare annotation was computed. [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2020-07-07 10:52:14,266 INFO L271 CegarLoopResult]: At program point L321(lines 296 325) the Hoare annotation is: true [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2020-07-07 10:52:14,266 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-07 10:52:14,267 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2020-07-07 10:52:14,267 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-07 10:52:14,267 INFO L271 CegarLoopResult]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2020-07-07 10:52:14,267 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-07 10:52:14,267 INFO L271 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2020-07-07 10:52:14,267 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-07-07 10:52:14,267 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-07-07 10:52:14,267 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:14,268 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-07-07 10:52:14,268 INFO L268 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-07-07 10:52:14,268 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2020-07-07 10:52:14,268 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2020-07-07 10:52:14,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,268 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:52:14,268 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:52:14,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:14,268 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse8 .cse5 .cse4 .cse6 .cse7 .cse3) (or .cse8 .cse0 .cse1 .cse3))) [2020-07-07 10:52:14,269 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1) (or .cse7 .cse3 .cse2 .cse4 .cse5 .cse1) (or .cse0 .cse6 .cse1) (or .cse7 .cse0 .cse1))) [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse1 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3) (or .cse7 .cse4 .cse5 .cse6 .cse3))) [2020-07-07 10:52:14,269 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 (= 0 ~pumpRunning~0) .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse3) (or .cse7 .cse4 .cse5 .cse6 .cse3))) [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-07-07 10:52:14,269 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-07-07 10:52:14,270 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (= 0 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse1 .cse4 .cse8 .cse3) (or .cse6 .cse7 .cse1 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse8 .cse3))) [2020-07-07 10:52:14,270 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:52:14,270 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:52:14,270 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:52:14,270 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:52:14,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:52:14 BoogieIcfgContainer [2020-07-07 10:52:14,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:52:14,294 INFO L168 Benchmark]: Toolchain (without parser) took 178183.54 ms. Allocated memory was 136.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 101.0 MB in the beginning and 951.9 MB in the end (delta: -850.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,294 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.93 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 169.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,295 INFO L168 Benchmark]: Boogie Preprocessor took 89.16 ms. Allocated memory is still 201.3 MB. Free memory was 169.3 MB in the beginning and 165.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,296 INFO L168 Benchmark]: RCFGBuilder took 1335.44 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 165.0 MB in the beginning and 193.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,296 INFO L168 Benchmark]: TraceAbstraction took 176085.62 ms. Allocated memory was 231.2 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 193.3 MB in the beginning and 951.9 MB in the end (delta: -758.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:14,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.93 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 169.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.16 ms. Allocated memory is still 201.3 MB. Free memory was 169.3 MB in the beginning and 165.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.44 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 165.0 MB in the beginning and 193.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 176085.62 ms. Allocated memory was 231.2 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 193.3 MB in the beginning and 951.9 MB in the end (delta: -758.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) && 0 == waterLevel)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && 0 == waterLevel)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 102.4s, OverallIterations: 14, TraceHistogramMax: 11, AutomataDifference: 85.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 73.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2521 SDtfs, 8620 SDslu, 5546 SDs, 0 SdLazy, 24561 SolverSat, 6868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3138 GetRequests, 2655 SyntacticMatches, 11 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8135 ImplicationChecksByTransitivity, 46.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4498occurred 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: 3.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 3315 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 6628 PreInvPairs, 7104 NumberOfFragments, 3673 HoareAnnotationTreeSize, 6628 FomulaSimplifications, 1329762608 FormulaSimplificationTreeSizeReduction, 24.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 1370914 FormulaSimplificationTreeSizeReductionInter, 48.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 4161 NumberOfCodeBlocks, 4161 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4141 ConstructedInterpolants, 0 QuantifiedInterpolants, 2364464 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7567 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 4164/4448 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...