/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:05:42,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:05:42,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:05:42,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:05:42,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:05:42,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:05:42,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:05:42,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:05:42,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:05:42,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:05:42,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:05:42,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:05:42,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:05:42,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:05:42,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:05:42,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:05:42,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:05:42,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:05:42,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:05:42,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:05:42,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:05:42,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:05:42,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:05:42,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:05:42,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:05:42,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:05:42,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:05:42,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:05:42,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:05:42,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:05:42,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:05:42,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:05:42,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:05:42,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:05:42,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:05:42,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:05:42,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:05:42,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:05:42,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:05:42,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:05:42,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:05:42,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:05:42,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:05:42,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:05:42,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:05:42,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:05:42,872 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:05:42,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:05:42,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:05:42,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:05:42,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:05:42,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:05:42,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:05:42,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:05:42,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:05:42,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:05:42,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:05:42,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:05:42,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:05:42,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:05:42,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:05:42,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:05:42,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:05:42,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:05:42,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:05:42,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:05:42,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:05:43,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:05:43,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:05:43,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:05:43,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:05:43,167 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:05:43,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 01:05:43,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f2b29fb/d81452d2585345e490528997a29ea052/FLAG930a34324 [2020-07-20 01:05:43,790 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:05:43,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 01:05:43,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f2b29fb/d81452d2585345e490528997a29ea052/FLAG930a34324 [2020-07-20 01:05:44,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f2b29fb/d81452d2585345e490528997a29ea052 [2020-07-20 01:05:44,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:05:44,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:05:44,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:44,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:05:44,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:05:44,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acd029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44, skipping insertion in model container [2020-07-20 01:05:44,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:05:44,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:05:44,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:44,677 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:05:44,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:44,798 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:05:44,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44 WrapperNode [2020-07-20 01:05:44,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:44,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:05:44,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:05:44,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:05:44,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... [2020-07-20 01:05:44,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:05:44,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:05:44,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:05:44,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:05:44,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:05:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:05:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:05:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:05:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:05:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:05:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:05:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:05:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:05:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:05:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:05:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:05:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:05:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:05:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:05:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:05:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:05:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:05:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:05:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:05:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:05:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:05:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:05:46,058 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:05:46,058 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:05:46,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:46 BoogieIcfgContainer [2020-07-20 01:05:46,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:05:46,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:05:46,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:05:46,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:05:46,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:44" (1/3) ... [2020-07-20 01:05:46,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af3beb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:46, skipping insertion in model container [2020-07-20 01:05:46,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:44" (2/3) ... [2020-07-20 01:05:46,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af3beb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:46, skipping insertion in model container [2020-07-20 01:05:46,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:46" (3/3) ... [2020-07-20 01:05:46,074 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-20 01:05:46,085 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:05:46,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:05:46,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:05:46,137 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:05:46,137 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:05:46,137 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:05:46,137 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:05:46,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:05:46,138 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:05:46,138 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:05:46,139 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:05:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 01:05:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:05:46,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:46,177 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:46,177 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:46,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-07-20 01:05:46,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:46,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416382451] [2020-07-20 01:05:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:05:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,981 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:47,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416382451] [2020-07-20 01:05:47,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:47,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:05:47,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656240262] [2020-07-20 01:05:47,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:05:47,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:47,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:05:47,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:05:47,116 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 4 states. [2020-07-20 01:05:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:48,424 INFO L93 Difference]: Finished difference Result 330 states and 424 transitions. [2020-07-20 01:05:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:05:48,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:05:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:48,443 INFO L225 Difference]: With dead ends: 330 [2020-07-20 01:05:48,443 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 01:05:48,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:05:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 01:05:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 149. [2020-07-20 01:05:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 01:05:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-20 01:05:48,550 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-07-20 01:05:48,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:48,551 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-20 01:05:48,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:05:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-20 01:05:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:05:48,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:48,556 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] [2020-07-20 01:05:48,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:05:48,556 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:48,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:48,557 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-07-20 01:05:48,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:48,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583837582] [2020-07-20 01:05:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:05:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,987 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:49,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583837582] [2020-07-20 01:05:49,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:49,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:49,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162380677] [2020-07-20 01:05:49,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:49,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:49,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:49,092 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 9 states. [2020-07-20 01:05:49,573 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:49,952 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:50,188 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:50,424 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:51,459 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:53,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:53,383 INFO L93 Difference]: Finished difference Result 506 states and 636 transitions. [2020-07-20 01:05:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:05:53,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-20 01:05:53,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:53,392 INFO L225 Difference]: With dead ends: 506 [2020-07-20 01:05:53,394 INFO L226 Difference]: Without dead ends: 385 [2020-07-20 01:05:53,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:05:53,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-07-20 01:05:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 327. [2020-07-20 01:05:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-07-20 01:05:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 402 transitions. [2020-07-20 01:05:53,508 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 402 transitions. Word has length 64 [2020-07-20 01:05:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:53,508 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 402 transitions. [2020-07-20 01:05:53,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:53,509 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 402 transitions. [2020-07-20 01:05:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:05:53,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:53,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:53,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:05:53,513 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:53,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-07-20 01:05:53,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:53,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427266689] [2020-07-20 01:05:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:05:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,811 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:05:53,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427266689] [2020-07-20 01:05:53,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:53,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:53,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821050897] [2020-07-20 01:05:53,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:53,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:53,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:53,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:53,925 INFO L87 Difference]: Start difference. First operand 327 states and 402 transitions. Second operand 9 states. [2020-07-20 01:05:54,416 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:54,991 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,079 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,317 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,592 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:56,880 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:57,837 INFO L93 Difference]: Finished difference Result 877 states and 1180 transitions. [2020-07-20 01:05:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:57,838 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:05:57,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:57,844 INFO L225 Difference]: With dead ends: 877 [2020-07-20 01:05:57,844 INFO L226 Difference]: Without dead ends: 578 [2020-07-20 01:05:57,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-07-20 01:05:57,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 488. [2020-07-20 01:05:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-07-20 01:05:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 609 transitions. [2020-07-20 01:05:57,947 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 609 transitions. Word has length 70 [2020-07-20 01:05:57,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:57,948 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 609 transitions. [2020-07-20 01:05:57,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 609 transitions. [2020-07-20 01:05:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 01:05:57,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:57,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:57,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:05:57,952 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:57,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:57,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-07-20 01:05:57,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:57,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251590866] [2020-07-20 01:05:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:05:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,245 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:58,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251590866] [2020-07-20 01:05:58,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:58,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:58,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391959490] [2020-07-20 01:05:58,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:58,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:58,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:58,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:58,475 INFO L87 Difference]: Start difference. First operand 488 states and 609 transitions. Second operand 9 states. [2020-07-20 01:05:59,020 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:00,011 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:00,348 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:00,668 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:00,910 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:02,456 INFO L93 Difference]: Finished difference Result 1509 states and 2131 transitions. [2020-07-20 01:06:02,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:06:02,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-20 01:06:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:02,474 INFO L225 Difference]: With dead ends: 1509 [2020-07-20 01:06:02,475 INFO L226 Difference]: Without dead ends: 1049 [2020-07-20 01:06:02,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:06:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-07-20 01:06:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 885. [2020-07-20 01:06:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-07-20 01:06:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1121 transitions. [2020-07-20 01:06:02,636 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1121 transitions. Word has length 107 [2020-07-20 01:06:02,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:02,636 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1121 transitions. [2020-07-20 01:06:02,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1121 transitions. [2020-07-20 01:06:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 01:06:02,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:02,640 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:02,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:06:02,641 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:02,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:02,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-07-20 01:06:02,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:02,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995479741] [2020-07-20 01:06:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,893 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:03,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995479741] [2020-07-20 01:06:03,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:03,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:03,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698644773] [2020-07-20 01:06:03,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:03,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:03,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:03,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:03,016 INFO L87 Difference]: Start difference. First operand 885 states and 1121 transitions. Second operand 9 states. [2020-07-20 01:06:04,132 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:04,373 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:04,637 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:04,875 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:05,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:05,903 INFO L93 Difference]: Finished difference Result 1913 states and 2626 transitions. [2020-07-20 01:06:05,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:06:05,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-20 01:06:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:05,913 INFO L225 Difference]: With dead ends: 1913 [2020-07-20 01:06:05,913 INFO L226 Difference]: Without dead ends: 1056 [2020-07-20 01:06:05,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:06:05,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-07-20 01:06:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 905. [2020-07-20 01:06:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-07-20 01:06:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1141 transitions. [2020-07-20 01:06:06,070 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1141 transitions. Word has length 107 [2020-07-20 01:06:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:06,071 INFO L479 AbstractCegarLoop]: Abstraction has 905 states and 1141 transitions. [2020-07-20 01:06:06,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1141 transitions. [2020-07-20 01:06:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 01:06:06,074 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:06,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:06,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:06:06,074 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:06,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:06,075 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-07-20 01:06:06,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:06,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121661527] [2020-07-20 01:06:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,368 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:06,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121661527] [2020-07-20 01:06:06,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:06,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:06:06,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706725394] [2020-07-20 01:06:06,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:06:06,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:06,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:06:06,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:06:06,512 INFO L87 Difference]: Start difference. First operand 905 states and 1141 transitions. Second operand 11 states. [2020-07-20 01:06:07,268 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:07,489 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:07,708 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:08,447 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:08,702 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:08,937 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:10,046 INFO L93 Difference]: Finished difference Result 1702 states and 2268 transitions. [2020-07-20 01:06:10,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:06:10,047 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-20 01:06:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:10,052 INFO L225 Difference]: With dead ends: 1702 [2020-07-20 01:06:10,052 INFO L226 Difference]: Without dead ends: 797 [2020-07-20 01:06:10,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:06:10,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-07-20 01:06:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 697. [2020-07-20 01:06:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-20 01:06:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 843 transitions. [2020-07-20 01:06:10,189 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 843 transitions. Word has length 107 [2020-07-20 01:06:10,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:10,191 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 843 transitions. [2020-07-20 01:06:10,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:06:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 843 transitions. [2020-07-20 01:06:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 01:06:10,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:10,194 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:10,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:06:10,194 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:10,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-07-20 01:06:10,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:10,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237101066] [2020-07-20 01:06:10,200 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,589 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:10,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237101066] [2020-07-20 01:06:10,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:10,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:06:10,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486698870] [2020-07-20 01:06:10,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:06:10,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:10,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:06:10,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:06:10,761 INFO L87 Difference]: Start difference. First operand 697 states and 843 transitions. Second operand 12 states. [2020-07-20 01:06:11,200 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:11,824 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:12,465 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:12,826 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:13,066 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:13,338 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:13,606 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:15,517 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:15,799 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:16,681 INFO L93 Difference]: Finished difference Result 2212 states and 3039 transitions. [2020-07-20 01:06:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:06:16,683 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-20 01:06:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:16,694 INFO L225 Difference]: With dead ends: 2212 [2020-07-20 01:06:16,694 INFO L226 Difference]: Without dead ends: 1674 [2020-07-20 01:06:16,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:06:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-07-20 01:06:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1447. [2020-07-20 01:06:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2020-07-20 01:06:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1761 transitions. [2020-07-20 01:06:16,961 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1761 transitions. Word has length 111 [2020-07-20 01:06:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:16,962 INFO L479 AbstractCegarLoop]: Abstraction has 1447 states and 1761 transitions. [2020-07-20 01:06:16,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:06:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1761 transitions. [2020-07-20 01:06:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-20 01:06:16,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:16,977 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:06:16,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:06:16,978 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:16,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:16,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1487603991, now seen corresponding path program 1 times [2020-07-20 01:06:16,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:16,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127362232] [2020-07-20 01:06:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,323 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-07-20 01:06:17,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127362232] [2020-07-20 01:06:17,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847455008] [2020-07-20 01:06:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7cdedfb1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:18,349 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7cdedfb1 issued 2 check-sat command(s) [2020-07-20 01:06:18,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:18,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 01:06:18,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 01:06:18,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:06:18,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2020-07-20 01:06:18,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409819108] [2020-07-20 01:06:18,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:06:18,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:18,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:06:18,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:06:18,503 INFO L87 Difference]: Start difference. First operand 1447 states and 1761 transitions. Second operand 3 states. [2020-07-20 01:06:18,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:18,737 INFO L93 Difference]: Finished difference Result 2233 states and 2610 transitions. [2020-07-20 01:06:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:06:18,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-07-20 01:06:18,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:18,747 INFO L225 Difference]: With dead ends: 2233 [2020-07-20 01:06:18,747 INFO L226 Difference]: Without dead ends: 1339 [2020-07-20 01:06:18,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:06:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-07-20 01:06:18,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2020-07-20 01:06:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-07-20 01:06:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1569 transitions. [2020-07-20 01:06:18,999 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1569 transitions. Word has length 220 [2020-07-20 01:06:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:19,001 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1569 transitions. [2020-07-20 01:06:19,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:06:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1569 transitions. [2020-07-20 01:06:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 01:06:19,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:19,006 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:19,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-07-20 01:06:19,219 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2020-07-20 01:06:19,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:19,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451145914] [2020-07-20 01:06:19,221 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,666 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 01:06:20,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451145914] [2020-07-20 01:06:20,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896110375] [2020-07-20 01:06:20,007 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e557fc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:20,590 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e557fc issued 4 check-sat command(s) [2020-07-20 01:06:20,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:20,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:06:20,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:06:20,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:20,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:06:20,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208777811] [2020-07-20 01:06:20,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:06:20,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:20,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:06:20,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:06:20,757 INFO L87 Difference]: Start difference. First operand 1339 states and 1569 transitions. Second operand 20 states. [2020-07-20 01:06:21,829 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:22,186 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:22,453 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:22,702 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:23,345 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:06:23,607 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:23,972 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:24,426 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:25,884 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:26,623 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:06:26,952 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:27,331 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:27,922 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:28,385 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:29,048 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:06:29,600 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:30,143 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:30,850 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:31,632 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:31,967 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:32,317 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:32,615 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:32,943 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:33,302 INFO L93 Difference]: Finished difference Result 3007 states and 3676 transitions. [2020-07-20 01:06:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-20 01:06:33,303 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 170 [2020-07-20 01:06:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:33,314 INFO L225 Difference]: With dead ends: 3007 [2020-07-20 01:06:33,315 INFO L226 Difference]: Without dead ends: 1872 [2020-07-20 01:06:33,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-07-20 01:06:33,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-07-20 01:06:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1656. [2020-07-20 01:06:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-07-20 01:06:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 1936 transitions. [2020-07-20 01:06:33,583 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 1936 transitions. Word has length 170 [2020-07-20 01:06:33,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:33,586 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 1936 transitions. [2020-07-20 01:06:33,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:06:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1936 transitions. [2020-07-20 01:06:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-20 01:06:33,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:33,598 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:33,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:33,813 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:33,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:33,814 INFO L82 PathProgramCache]: Analyzing trace with hash 913052362, now seen corresponding path program 1 times [2020-07-20 01:06:33,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:33,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460284128] [2020-07-20 01:06:33,815 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,152 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-07-20 01:06:34,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460284128] [2020-07-20 01:06:34,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454569896] [2020-07-20 01:06:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34a7173d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:35,448 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34a7173d issued 3 check-sat command(s) [2020-07-20 01:06:35,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:35,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:06:35,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 01:06:35,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:35,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-20 01:06:35,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056981985] [2020-07-20 01:06:35,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:06:35,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:35,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:06:35,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:06:35,947 INFO L87 Difference]: Start difference. First operand 1656 states and 1936 transitions. Second operand 25 states. [2020-07-20 01:06:37,047 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:06:37,991 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:39,037 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:06:39,588 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:06:40,160 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:06:40,421 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:40,691 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:41,016 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:41,337 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:41,612 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:42,569 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:42,918 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:47,136 INFO L93 Difference]: Finished difference Result 4465 states and 6058 transitions. [2020-07-20 01:06:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-20 01:06:47,137 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 299 [2020-07-20 01:06:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:47,154 INFO L225 Difference]: With dead ends: 4465 [2020-07-20 01:06:47,154 INFO L226 Difference]: Without dead ends: 2856 [2020-07-20 01:06:47,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-20 01:06:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2020-07-20 01:06:47,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2052. [2020-07-20 01:06:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-07-20 01:06:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2410 transitions. [2020-07-20 01:06:47,626 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2410 transitions. Word has length 299 [2020-07-20 01:06:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:47,627 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2410 transitions. [2020-07-20 01:06:47,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:06:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2410 transitions. [2020-07-20 01:06:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-20 01:06:47,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:47,638 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:47,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:06:47,852 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:47,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1836144816, now seen corresponding path program 1 times [2020-07-20 01:06:47,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:47,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388395098] [2020-07-20 01:06:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,175 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-07-20 01:06:48,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388395098] [2020-07-20 01:06:48,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93104512] [2020-07-20 01:06:48,538 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13db2e4f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:49,055 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13db2e4f issued 3 check-sat command(s) [2020-07-20 01:06:49,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:49,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:06:49,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-20 01:06:49,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:49,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:06:49,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565711376] [2020-07-20 01:06:49,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:06:49,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:49,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:06:49,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:06:49,282 INFO L87 Difference]: Start difference. First operand 2052 states and 2410 transitions. Second operand 22 states. [2020-07-20 01:06:50,168 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:06:50,749 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:51,257 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:51,747 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:52,697 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:54,173 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:54,659 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:55,084 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:55,700 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:56,487 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:56,730 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:57,435 INFO L93 Difference]: Finished difference Result 4036 states and 4892 transitions. [2020-07-20 01:06:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:06:57,436 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 315 [2020-07-20 01:06:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:57,447 INFO L225 Difference]: With dead ends: 4036 [2020-07-20 01:06:57,447 INFO L226 Difference]: Without dead ends: 2207 [2020-07-20 01:06:57,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:06:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-07-20 01:06:57,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2054. [2020-07-20 01:06:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2020-07-20 01:06:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2406 transitions. [2020-07-20 01:06:57,780 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2406 transitions. Word has length 315 [2020-07-20 01:06:57,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:57,781 INFO L479 AbstractCegarLoop]: Abstraction has 2054 states and 2406 transitions. [2020-07-20 01:06:57,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:06:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2406 transitions. [2020-07-20 01:06:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-20 01:06:57,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:57,791 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:58,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:58,006 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash 236529018, now seen corresponding path program 1 times [2020-07-20 01:06:58,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:58,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896742610] [2020-07-20 01:06:58,007 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:06:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,358 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-20 01:06:58,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896742610] [2020-07-20 01:06:58,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100971631] [2020-07-20 01:06:58,802 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69a516fd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:59,298 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69a516fd issued 4 check-sat command(s) [2020-07-20 01:06:59,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:59,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:06:59,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-20 01:06:59,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:59,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-20 01:06:59,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509815087] [2020-07-20 01:06:59,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:06:59,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:59,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:06:59,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:06:59,593 INFO L87 Difference]: Start difference. First operand 2054 states and 2406 transitions. Second operand 22 states. [2020-07-20 01:07:00,214 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:00,981 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:01,321 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:01,781 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:03,658 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:04,098 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:04,418 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:04,667 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:05,020 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:05,298 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:06,718 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:07,005 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:07,263 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:07,514 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:08,062 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:07:08,322 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:08,788 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:07:09,040 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:09,542 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:10,018 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:10,993 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:11,346 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:11,609 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:11,864 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:12,409 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:12,881 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:13,664 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:15,440 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:15,786 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:16,042 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:16,538 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:17,010 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:19,209 INFO L93 Difference]: Finished difference Result 8252 states and 10874 transitions. [2020-07-20 01:07:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-20 01:07:19,210 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 316 [2020-07-20 01:07:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:19,243 INFO L225 Difference]: With dead ends: 8252 [2020-07-20 01:07:19,244 INFO L226 Difference]: Without dead ends: 6064 [2020-07-20 01:07:19,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4126 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=2091, Invalid=9899, Unknown=0, NotChecked=0, Total=11990 [2020-07-20 01:07:19,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2020-07-20 01:07:20,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 4634. [2020-07-20 01:07:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4634 states. [2020-07-20 01:07:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 5324 transitions. [2020-07-20 01:07:20,011 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 5324 transitions. Word has length 316 [2020-07-20 01:07:20,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:20,011 INFO L479 AbstractCegarLoop]: Abstraction has 4634 states and 5324 transitions. [2020-07-20 01:07:20,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:07:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 5324 transitions. [2020-07-20 01:07:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-07-20 01:07:20,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:20,024 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:20,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 01:07:20,238 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:20,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:20,239 INFO L82 PathProgramCache]: Analyzing trace with hash 694718372, now seen corresponding path program 1 times [2020-07-20 01:07:20,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:20,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700928851] [2020-07-20 01:07:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:07:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,613 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-07-20 01:07:21,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700928851] [2020-07-20 01:07:21,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:21,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:07:21,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116477301] [2020-07-20 01:07:21,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:07:21,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:21,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:07:21,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:07:21,076 INFO L87 Difference]: Start difference. First operand 4634 states and 5324 transitions. Second operand 11 states. [2020-07-20 01:07:21,635 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:22,321 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:25,136 INFO L93 Difference]: Finished difference Result 5838 states and 6890 transitions. [2020-07-20 01:07:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-20 01:07:25,136 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 394 [2020-07-20 01:07:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:25,148 INFO L225 Difference]: With dead ends: 5838 [2020-07-20 01:07:25,148 INFO L226 Difference]: Without dead ends: 2005 [2020-07-20 01:07:25,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 01:07:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2020-07-20 01:07:25,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1868. [2020-07-20 01:07:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-07-20 01:07:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2081 transitions. [2020-07-20 01:07:25,708 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2081 transitions. Word has length 394 [2020-07-20 01:07:25,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:25,709 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2081 transitions. [2020-07-20 01:07:25,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:07:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2081 transitions. [2020-07-20 01:07:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-20 01:07:25,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:25,718 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:25,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-20 01:07:25,719 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:25,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1572437737, now seen corresponding path program 1 times [2020-07-20 01:07:25,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:25,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195353205] [2020-07-20 01:07:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:07:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,130 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2020-07-20 01:07:26,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195353205] [2020-07-20 01:07:26,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282435221] [2020-07-20 01:07:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b698bd1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:27,080 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b698bd1 issued 4 check-sat command(s) [2020-07-20 01:07:27,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:27,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 01:07:27,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-20 01:07:27,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:07:27,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-20 01:07:27,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450927409] [2020-07-20 01:07:27,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:07:27,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:27,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:07:27,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:27,414 INFO L87 Difference]: Start difference. First operand 1868 states and 2081 transitions. Second operand 8 states. [2020-07-20 01:07:27,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:27,999 INFO L93 Difference]: Finished difference Result 3454 states and 3864 transitions. [2020-07-20 01:07:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:07:28,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 388 [2020-07-20 01:07:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:28,008 INFO L225 Difference]: With dead ends: 3454 [2020-07-20 01:07:28,008 INFO L226 Difference]: Without dead ends: 1774 [2020-07-20 01:07:28,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 515 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:28,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-07-20 01:07:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1761. [2020-07-20 01:07:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2020-07-20 01:07:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 1956 transitions. [2020-07-20 01:07:28,287 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 1956 transitions. Word has length 388 [2020-07-20 01:07:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:28,287 INFO L479 AbstractCegarLoop]: Abstraction has 1761 states and 1956 transitions. [2020-07-20 01:07:28,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:07:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 1956 transitions. [2020-07-20 01:07:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-07-20 01:07:28,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:28,293 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:28,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:28,506 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:28,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2080283791, now seen corresponding path program 1 times [2020-07-20 01:07:28,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:28,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252430982] [2020-07-20 01:07:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639ea8db [2020-07-20 01:07:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:28,768 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 6 [2020-07-20 01:07:29,008 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 183 proven. 26 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-20 01:07:29,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252430982] [2020-07-20 01:07:29,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041386239] [2020-07-20 01:07:29,438 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c83cd6a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:29,829 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c83cd6a issued 4 check-sat command(s) [2020-07-20 01:07:29,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:29,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:07:29,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 323 proven. 12 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-07-20 01:07:30,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:30,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 28 [2020-07-20 01:07:30,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535900118] [2020-07-20 01:07:30,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-20 01:07:30,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:30,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-20 01:07:30,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2020-07-20 01:07:30,162 INFO L87 Difference]: Start difference. First operand 1761 states and 1956 transitions. Second operand 28 states. [2020-07-20 01:07:31,046 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-20 01:07:31,853 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:33,455 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:33,993 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:34,488 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:34,767 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:35,292 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:07:35,787 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:37,967 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:38,730 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:39,218 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:39,695 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:40,312 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:42,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:42,747 INFO L93 Difference]: Finished difference Result 3096 states and 3597 transitions. [2020-07-20 01:07:42,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-20 01:07:42,748 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 392 [2020-07-20 01:07:42,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:42,749 INFO L225 Difference]: With dead ends: 3096 [2020-07-20 01:07:42,750 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:07:42,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 544 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1967 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1214, Invalid=5106, Unknown=0, NotChecked=0, Total=6320 [2020-07-20 01:07:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:07:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:07:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:07:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:07:42,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2020-07-20 01:07:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:42,761 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:07:42,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-20 01:07:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:07:42,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:07:42,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-20 01:07:42,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:07:46,095 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-07-20 01:07:48,494 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 605 DAG size of output: 440 [2020-07-20 01:07:57,476 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 584 DAG size of output: 437 [2020-07-20 01:07:58,157 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 355 [2020-07-20 01:08:03,506 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 275 [2020-07-20 01:08:08,786 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 784 DAG size of output: 612 [2020-07-20 01:08:13,237 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-20 01:08:13,459 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-07-20 01:08:16,774 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 223 DAG size of output: 49 [2020-07-20 01:08:17,160 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-20 01:08:17,583 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-20 01:08:18,220 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 01:08:18,402 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-20 01:08:20,352 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 206 DAG size of output: 48 [2020-07-20 01:08:21,974 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 298 DAG size of output: 28 [2020-07-20 01:08:23,206 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 199 DAG size of output: 46 [2020-07-20 01:08:23,403 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:08:24,759 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 49 [2020-07-20 01:08:26,283 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 353 DAG size of output: 40 [2020-07-20 01:08:26,551 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-07-20 01:08:26,767 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:28,654 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 215 DAG size of output: 78 [2020-07-20 01:08:33,298 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 352 DAG size of output: 68 [2020-07-20 01:08:33,495 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:08:34,174 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 1 [2020-07-20 01:08:37,621 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 279 DAG size of output: 58 [2020-07-20 01:08:37,953 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-20 01:08:38,553 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 01:08:40,282 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 322 DAG size of output: 50 [2020-07-20 01:08:41,408 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 275 DAG size of output: 50 [2020-07-20 01:08:44,232 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 240 DAG size of output: 53 [2020-07-20 01:08:48,824 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 333 DAG size of output: 56 [2020-07-20 01:08:49,225 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-20 01:08:51,338 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 217 DAG size of output: 48 [2020-07-20 01:08:53,229 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 199 DAG size of output: 45 [2020-07-20 01:08:53,405 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:55,669 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 206 DAG size of output: 50 [2020-07-20 01:08:55,913 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:56,143 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-20 01:08:56,354 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-07-20 01:08:58,204 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 258 DAG size of output: 60 [2020-07-20 01:08:58,472 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-20 01:09:00,204 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 212 DAG size of output: 46 [2020-07-20 01:09:01,377 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 183 DAG size of output: 61 [2020-07-20 01:09:02,569 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 198 DAG size of output: 46 [2020-07-20 01:09:04,085 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 206 DAG size of output: 73 [2020-07-20 01:09:04,270 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-20 01:09:05,833 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2020-07-20 01:09:06,094 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-20 01:09:06,307 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-07-20 01:09:06,536 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:09:06,784 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-20 01:09:08,060 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 204 DAG size of output: 49 [2020-07-20 01:09:10,503 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-07-20 01:09:11,363 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 24 [2020-07-20 01:09:11,716 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-20 01:09:15,094 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 509 DAG size of output: 66 [2020-07-20 01:09:17,925 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 333 DAG size of output: 30 [2020-07-20 01:09:18,173 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-07-20 01:09:18,361 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:09:18,570 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-07-20 01:09:18,574 INFO L268 CegarLoopResult]: For program point L544(lines 521 545) no Hoare annotation was computed. [2020-07-20 01:09:18,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2020-07-20 01:09:18,574 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2020-07-20 01:09:18,575 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point L605(lines 578 606) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2020-07-20 01:09:18,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2020-07-20 01:09:18,577 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-20 01:09:18,577 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2020-07-20 01:09:18,578 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:09:18,579 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-20 01:09:18,579 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-20 01:09:18,581 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-20 01:09:18,581 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-20 01:09:18,581 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-20 01:09:18,581 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) 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))) [2020-07-20 01:09:18,581 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2020-07-20 01:09:18,581 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2020-07-20 01:09:18,582 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: (let ((.cse11 (not (<= ~waterLevel~0 2))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse5) (or .cse11 .cse7 .cse12 .cse2 .cse9 .cse5) (or .cse1 .cse6 .cse2 .cse4 .cse10 .cse5) (or .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse9 .cse5) (or .cse11 .cse7 .cse12 .cse2 .cse4 .cse5) (or .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (or (not (= 1 ~waterLevel~0)) .cse7 .cse8 .cse2 .cse9 .cse5) (or .cse1 .cse6 .cse8 .cse2 .cse9 .cse10 .cse5) (or .cse11 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse1 .cse11 .cse12 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse9 .cse5) (or .cse6 .cse7 .cse2 .cse4 .cse10 .cse5))) [2020-07-20 01:09:18,582 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 01:09:18,582 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2020-07-20 01:09:18,582 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2020-07-20 01:09:18,582 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse6 .cse5 .cse9 .cse2 .cse4) (or .cse5 .cse1 .cse9 .cse2 .cse4) (or .cse5 .cse1 .cse9 .cse8 .cse4) (or .cse10 .cse1 .cse7 .cse11 .cse8 .cse4) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse4) (or .cse10 .cse6 .cse11 .cse2 .cse4))) [2020-07-20 01:09:18,583 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2020-07-20 01:09:18,583 INFO L268 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-07-20 01:09:18,583 INFO L268 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2020-07-20 01:09:18,583 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse12 (not (< 1 ~waterLevel~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse13 (not (= 0 ~systemActive~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse2 .cse8 .cse9 .cse6) (or .cse10 .cse11 .cse12 .cse9 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse5 .cse6) (or .cse11 .cse2 .cse12 .cse9 .cse6) (or .cse11 .cse2 .cse12 .cse4 .cse6) (or .cse0 .cse11 .cse13 .cse9) (or .cse10 .cse0 .cse1 .cse9 .cse5 .cse6) (or .cse13 (not (= 2 ~waterLevel~0)) .cse9) (or .cse7 .cse0 .cse2 .cse3 .cse8 .cse4 .cse6) (or .cse0 .cse10 (not (= 1 ~waterLevel~0)) .cse9 .cse6))) [2020-07-20 01:09:18,583 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2020-07-20 01:09:18,583 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-20 01:09:18,583 INFO L268 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2020-07-20 01:09:18,584 INFO L268 CegarLoopResult]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2020-07-20 01:09:18,584 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-20 01:09:18,584 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-20 01:09:18,584 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 421 443) 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))) [2020-07-20 01:09:18,584 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2020-07-20 01:09:18,584 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,584 INFO L264 CegarLoopResult]: At program point L433-1(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2020-07-20 01:09:18,585 INFO L264 CegarLoopResult]: At program point L428(line 428) 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))) [2020-07-20 01:09:18,585 INFO L264 CegarLoopResult]: At program point L427(line 427) 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))) [2020-07-20 01:09:18,585 INFO L264 CegarLoopResult]: At program point L427-1(line 427) 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))) [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-20 01:09:18,585 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 01:09:18,586 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-07-20 01:09:18,587 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-20 01:09:18,587 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-20 01:09:18,587 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-20 01:09:18,587 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse8 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse7 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse9 .cse8 .cse10 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-20 01:09:18,587 INFO L268 CegarLoopResult]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2020-07-20 01:09:18,587 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (not (= 1 ~waterLevel~0)) .cse7 .cse8 .cse5) (or .cse0 .cse7 .cse8 .cse3 .cse4 .cse5) (or .cse6 .cse9 .cse7 .cse8 .cse10 .cse5) (or .cse9 .cse1 .cse2 .cse3 .cse10 .cse5) (or .cse9 .cse7 .cse8 .cse3 .cse10 .cse5) (or .cse11 .cse7 .cse3 .cse12 .cse8 .cse5) (or .cse6 .cse11 .cse7 .cse8 .cse12 .cse5))) [2020-07-20 01:09:18,588 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) the Hoare annotation is: (let ((.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse12 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse8 .cse2 .cse3) (or .cse5 .cse9 .cse10 .cse11 .cse1 .cse6 .cse3) (or .cse12 .cse10 .cse9 .cse11 .cse1 .cse3) (or .cse4 .cse12 .cse0 .cse2 .cse3) (or .cse4 .cse7 .cse0 .cse8 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse6 .cse3))) [2020-07-20 01:09:18,588 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse11 (not (< 1 ~waterLevel~0))) (.cse12 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse5) (or .cse0 .cse6 .cse8 .cse4 .cse5) (or .cse10 .cse8 .cse3 .cse11 .cse12 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse9 .cse5) (or .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse6 .cse10 .cse8 .cse11 .cse12 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse5))) [2020-07-20 01:09:18,588 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2020-07-20 01:09:18,588 INFO L268 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2020-07-20 01:09:18,588 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse10 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (or .cse8 .cse9 .cse6 .cse7 .cse10 .cse5) (or .cse11 .cse6 .cse3 .cse12 .cse7 .cse5) (or .cse9 .cse1 .cse2 .cse3 .cse10 .cse5) (or .cse0 .cse8 .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse11 .cse6 .cse12 .cse7 .cse5) (or .cse9 .cse6 .cse3 .cse7 .cse10 .cse5))) [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2020-07-20 01:09:18,589 INFO L264 CegarLoopResult]: At program point L264(line 264) 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))) [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-07-20 01:09:18,589 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2020-07-20 01:09:18,589 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 01:09:18,590 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-07-20 01:09:18,591 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 407 417) 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))) [2020-07-20 01:09:18,592 INFO L264 CegarLoopResult]: At program point L412(line 412) 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)|))) [2020-07-20 01:09:18,592 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2020-07-20 01:09:18,592 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2020-07-20 01:09:18,592 INFO L271 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: true [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 175 182) 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))) [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-20 01:09:18,593 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2020-07-20 01:09:18,594 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2020-07-20 01:09:18,594 INFO L268 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-07-20 01:09:18,594 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-07-20 01:09:18,594 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse10 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse6 .cse7 .cse8 (not (<= ~waterLevel~0 1)) .cse5) (or .cse0 .cse9 .cse6 .cse8 .cse10 .cse5) (or .cse11 .cse6 .cse7 .cse12 .cse8 .cse5) (or .cse9 .cse2 .cse3 .cse4 .cse7 .cse10 .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse7 .cse5) (or .cse0 .cse1 .cse6 .cse8 .cse5) (or .cse0 .cse11 .cse6 .cse12 .cse8 .cse5) (or .cse0 .cse9 .cse3 .cse2 .cse4 .cse10 .cse5) (or .cse9 .cse6 .cse7 .cse8 .cse10 .cse5))) [2020-07-20 01:09:18,594 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse12 (not (< 1 ~waterLevel~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse10 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse1 .cse2 .cse4 .cse5) (or .cse8 .cse9 .cse6 .cse7 .cse10 .cse5) (or .cse11 .cse6 .cse3 .cse12 .cse7 .cse5) (or .cse9 .cse1 .cse2 .cse3 .cse10 .cse5) (or .cse8 .cse9 .cse1 .cse2 .cse10 .cse5) (or .cse0 .cse8 .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse11 .cse6 .cse12 .cse7 .cse5) (or .cse9 .cse6 .cse3 .cse7 .cse10 .cse5))) [2020-07-20 01:09:18,594 INFO L268 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-07-20 01:09:18,595 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse4 .cse8 .cse9 .cse10 .cse3) (or .cse5 .cse11 .cse8 .cse9 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse8 .cse9 .cse6 .cse3) (or .cse7 .cse1 .cse2 .cse10 .cse3) (or .cse7 .cse11 .cse8 .cse9 .cse2 .cse10 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-20 01:09:18,595 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 (not (< 1 ~waterLevel~0)) .cse5) (or .cse8 .cse9 .cse7 .cse10 .cse5) (or .cse0 .cse8 .cse1 .cse2 .cse4 .cse11 .cse5) (or .cse0 .cse8 .cse6 .cse7 .cse5) (or .cse9 .cse1 .cse2 .cse3 .cse10 .cse5) (or .cse0 .cse7 .cse3 .cse4 .cse5) (or .cse8 .cse9 .cse1 .cse2 .cse11 .cse10 .cse5) (or .cse9 .cse7 .cse3 .cse10 .cse5))) [2020-07-20 01:09:18,595 INFO L268 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-07-20 01:09:18,595 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse11 (not (<= 1 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse4 .cse7 .cse8 .cse9 .cse10 .cse3) (or .cse11 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse8 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse11 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse7 .cse9 .cse8 .cse10 .cse2 .cse3) (or .cse4 .cse5 .cse9 .cse8 .cse10 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-20 01:09:18,596 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-07-20 01:09:18,596 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2020-07-20 01:09:18,596 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2020-07-20 01:09:18,596 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-20 01:09:18,596 INFO L264 CegarLoopResult]: At program point testENTRY(lines 277 342) 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)|))) [2020-07-20 01:09:18,596 INFO L268 CegarLoopResult]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2020-07-20 01:09:18,596 INFO L264 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,597 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 (<= ~waterLevel~0 2) .cse4))) [2020-07-20 01:09:18,597 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-20 01:09:18,597 INFO L264 CegarLoopResult]: At program point L323-1(lines 317 330) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse10 (<= 1 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse13 (= 2 ~waterLevel~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 0 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and .cse0 (= 0 ~systemActive~0) .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse12 .cse0 .cse1 .cse13 .cse3 .cse8) (and .cse0 .cse9 .cse6 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse9 .cse6 .cse11 .cse3 .cse8) (and .cse5 .cse0 .cse1 .cse4 .cse10 .cse3 .cse8) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse12 .cse0 .cse9 .cse13 .cse3 .cse8) (and .cse0 .cse9 .cse2 .cse13 .cse3) (and .cse0 .cse1 .cse2 .cse13 .cse3) (and .cse0 .cse1 .cse6 .cse7 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)))) [2020-07-20 01:09:18,597 INFO L268 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-07-20 01:09:18,597 INFO L268 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-07-20 01:09:18,597 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= 0 ~systemActive~0)) (.cse9 (<= 0 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse5 .cse8) (and .cse0 .cse6 .cse9 .cse10 .cse3 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse11 .cse3 .cse7) (and .cse0 .cse1 .cse9 .cse10 .cse3 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse12 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse11 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse9 .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse3 .cse7 .cse12 .cse5))) [2020-07-20 01:09:18,598 INFO L268 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-07-20 01:09:18,598 INFO L268 CegarLoopResult]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2020-07-20 01:09:18,598 INFO L264 CegarLoopResult]: At program point L332(lines 287 334) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse2 (<= 0 ~waterLevel~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse3) (and .cse8 .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse5 .cse9) (and .cse8 .cse0 .cse1 (<= 1 ~waterLevel~0) .cse4 .cse5 .cse9) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse10 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse6 .cse3 .cse4))) [2020-07-20 01:09:18,598 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse2 (<= 0 ~waterLevel~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse3) (and .cse8 .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse5 .cse9) (and .cse8 .cse0 .cse1 (<= 1 ~waterLevel~0) .cse4 .cse5 .cse9) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse10 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse6 .cse3 .cse4))) [2020-07-20 01:09:18,598 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-20 01:09:18,598 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-20 01:09:18,598 INFO L268 CegarLoopResult]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point L732(lines 732 752) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point L738(lines 738 745) no Hoare annotation was computed. [2020-07-20 01:09:18,599 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (< 1 ~waterLevel~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:09:18,599 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point L951(lines 951 959) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point L704(lines 704 711) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2020-07-20 01:09:18,600 INFO L268 CegarLoopResult]: For program point L665(lines 664 684) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L661(lines 661 702) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L703(lines 703 714) no Hoare annotation was computed. [2020-07-20 01:09:18,601 INFO L268 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point L685(lines 663 686) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point L644(lines 644 660) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-20 01:09:18,602 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,603 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)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#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~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#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~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.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~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-20 01:09:18,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,603 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2020-07-20 01:09:18,603 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 (= 0 ~pumpRunning~0) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:09:18,603 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 158 174) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:09:18,603 INFO L268 CegarLoopResult]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:09:18,604 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L268 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L271 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: true [2020-07-20 01:09:18,604 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-07-20 01:09:18,604 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point L246-1(line 246) no Hoare annotation was computed. [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2020-07-20 01:09:18,605 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2020-07-20 01:09:18,605 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse11 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse14 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse12 (not (<= ~waterLevel~0 2))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse13 (not (< 1 ~waterLevel~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse5 .cse2 .cse3 .cse9) (or .cse10 .cse12 .cse5 .cse13 .cse2 .cse9) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse4 .cse10 .cse5 .cse7 .cse2 .cse9) (or .cse0 .cse12 .cse13 .cse2 .cse14 .cse9) (or .cse11 .cse0 .cse5 .cse6 .cse8 .cse3 .cse9) (or .cse11 .cse0 .cse2 .cse14 .cse3 .cse9) (or .cse4 .cse0 .cse7 .cse2 .cse14 .cse9) (or .cse10 .cse12 .cse5 .cse13 .cse8 .cse9))) [2020-07-20 01:09:18,605 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2020-07-20 01:09:18,606 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,606 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,606 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,606 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 01:09:18,606 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:09:18,606 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 01:09:18,607 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (and .cse11 .cse12 .cse16)) (.cse4 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (and (= 0 ~pumpRunning~0) .cse16)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse15 (and .cse11 .cse12 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 0))) (.cse13 (not (= 1 |old(~waterLevel~0)|))) (.cse7 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4 .cse5 .cse7 .cse8) (or .cse10 (and .cse11 .cse12 (<= 1 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse3 (not (= 2 |old(~waterLevel~0)|)) .cse7) (or .cse9 .cse0 .cse13) (or .cse9 .cse10 .cse0 .cse1 .cse14 .cse7) (or .cse2 .cse10 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse0 .cse4 .cse7 .cse8) (or .cse9 .cse0 .cse5 .cse1 .cse14 .cse7) (or .cse3 .cse5 .cse1 .cse14 (and .cse11 .cse12 (= 1 ~waterLevel~0)) .cse7) (or .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse10 .cse3 .cse15 (not (<= 1 |old(~waterLevel~0)|)) .cse7) (or .cse2 .cse3 .cse5 .cse15 .cse13 .cse7)))) [2020-07-20 01:09:18,607 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: (let ((.cse15 (= 0 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse0 .cse1 .cse16)) (.cse12 (not (<= |old(~waterLevel~0)| 0))) (.cse13 (not (<= 0 |old(~waterLevel~0)|))) (.cse10 (and .cse15 .cse1 .cse16)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (not (= 1 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= 2 ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse2 .cse9 (not (<= 1 |old(~waterLevel~0)|)) .cse6) (or .cse8 .cse2 (not (= 2 |old(~waterLevel~0)|)) .cse9 .cse6) (or .cse10 (not (= 0 ~systemActive~0)) .cse11 .cse4) (or .cse10 .cse11 .cse12 .cse3 .cse6 .cse13) (or .cse8 .cse10 .cse11 .cse12 .cse6 .cse13) (or .cse8 .cse10 .cse11 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse12 .cse6 .cse13) (or .cse7 .cse2 .cse9 .cse3 .cse14 .cse6) (or .cse7 .cse2 .cse9 .cse12 .cse3 .cse6 .cse13) (or .cse10 .cse11 .cse3 .cse4 .cse5 .cse6) (or .cse11 (and .cse15 .cse1 (= 1 ~waterLevel~0)) .cse14)))) [2020-07-20 01:09:18,607 INFO L264 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse17 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse17 .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse18 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (<= 0 ~waterLevel~0)) (.cse16 (<= ~waterLevel~0 0)) (.cse13 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 (and .cse10 .cse11 .cse1) .cse6 .cse12) (or .cse0 .cse2 .cse9 .cse3 .cse6 .cse12) (or .cse0 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse0 .cse2 .cse13) (or .cse0 .cse14 .cse2 .cse4 .cse5 .cse6) (or .cse7 (not (<= |old(~waterLevel~0)| 1)) (and .cse15 .cse16 .cse17 .cse18) .cse14 .cse8 (not (<= 1 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse14 .cse2 .cse9 .cse6 .cse12) (or .cse14 .cse8 (not (= 2 |old(~waterLevel~0)|)) (and (<= 1 ~waterLevel~0) .cse17 .cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6) (or .cse8 .cse3 .cse4 .cse5 (and .cse10 .cse11 (= 1 ~waterLevel~0)) .cse6) (or .cse7 .cse14 .cse8 .cse9 .cse6 (and .cse17 .cse18 .cse1) .cse12) (or .cse7 .cse8 .cse3 (and .cse10 .cse11 .cse15 .cse16) .cse13 .cse6)))) [2020-07-20 01:09:18,607 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2020-07-20 01:09:18,608 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse7 .cse8) (or .cse0 .cse3 .cse9 .cse10 .cse4 .cse6 .cse11) (or .cse7 (not (= 1 |old(~waterLevel~0)|))) (or .cse3 .cse10 .cse8 .cse12 .cse4 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse4 .cse5 .cse6) (or .cse2 .cse7 .cse8 .cse12 .cse6) (or .cse7 .cse10 .cse8 .cse12 .cse6) (or .cse0 .cse2 .cse3 .cse9 .cse4 .cse6 .cse11) (or .cse2 .cse7 .cse9 .cse6 .cse11) (or .cse7 .cse9 .cse10 .cse6 .cse11) (or .cse2 .cse3 .cse8 .cse12 .cse4 .cse6))) [2020-07-20 01:09:18,608 INFO L268 CegarLoopResult]: For program point L71(lines 67 89) no Hoare annotation was computed. [2020-07-20 01:09:18,608 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2020-07-20 01:09:18,608 INFO L268 CegarLoopResult]: For program point L69(lines 67 89) no Hoare annotation was computed. [2020-07-20 01:09:18,608 INFO L264 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,608 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2020-07-20 01:09:18,608 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,609 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-20 01:09:18,609 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,609 INFO L271 CegarLoopResult]: At program point L370(lines 345 374) the Hoare annotation is: true [2020-07-20 01:09:18,609 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-20 01:09:18,609 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 01:09:18,609 INFO L264 CegarLoopResult]: At program point L359-1(lines 359 363) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:18,609 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 01:09:18,609 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: (let ((.cse11 (not (<= |old(~waterLevel~0)| 0))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (<= 0 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 .cse5 .cse10 .cse6) (or .cse8 .cse11 .cse3 .cse12 .cse5 .cse6 .cse13) (or .cse11 .cse0 .cse3 .cse12 .cse5 .cse6 .cse13) (or .cse7 .cse9 .cse0 .cse3 .cse5 .cse10 .cse6) (or .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-07-20 01:09:18,610 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2020-07-20 01:09:18,610 INFO L268 CegarLoopResult]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2020-07-20 01:09:18,610 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-20 01:09:18,610 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2020-07-20 01:09:18,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,610 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)) [2020-07-20 01:09:18,610 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:09:18,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:18,611 INFO L268 CegarLoopResult]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2020-07-20 01:09:18,611 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2020-07-20 01:09:18,611 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: (let ((.cse9 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (= 1 |old(~waterLevel~0)|))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4 .cse8) (or .cse5 .cse0 .cse9 .cse6 .cse3 .cse4 .cse8) (or .cse0 .cse9 .cse6 .cse3 .cse10 .cse4) (or (not (= 0 ~systemActive~0)) .cse1 .cse6 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6 .cse7 (not (<= 1 |old(~waterLevel~0)|)) .cse4) (or .cse11 .cse1 .cse6 .cse2 .cse7 .cse4) (or .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (or .cse11 .cse6 .cse7 .cse10 .cse4) (or .cse11 .cse5 .cse6 .cse7 .cse4 .cse8))) [2020-07-20 01:09:18,611 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:09:18,611 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:09:18,611 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:09:18,612 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:09:18,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:09:18 BoogieIcfgContainer [2020-07-20 01:09:18,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:09:18,635 INFO L168 Benchmark]: Toolchain (without parser) took 214482.77 ms. Allocated memory was 137.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 101.6 MB in the beginning and 513.2 MB in the end (delta: -411.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,635 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.24 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 168.2 MB in the end (delta: -67.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,636 INFO L168 Benchmark]: Boogie Preprocessor took 87.76 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 164.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,636 INFO L168 Benchmark]: RCFGBuilder took 1177.61 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 191.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,637 INFO L168 Benchmark]: TraceAbstraction took 212567.45 ms. Allocated memory was 232.8 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 191.8 MB in the beginning and 513.2 MB in the end (delta: -321.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-07-20 01:09:18,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.24 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 168.2 MB in the end (delta: -67.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.76 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 164.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.61 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 191.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212567.45 ms. Allocated memory was 232.8 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 191.8 MB in the beginning and 513.2 MB in the end (delta: -321.3 MB). Peak memory consumption was 2.3 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: 355]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((splverifierCounter < 4 && 0 == systemActive) && 2 == waterLevel) && 0 == pumpRunning)) || ((((((pumpRunning <= switchedOnBeforeTS && splverifierCounter < 4) && 0 == methaneLevelCritical) && 0 <= waterLevel) && waterLevel <= 0) && 1 == systemActive) && 1 <= pumpRunning)) || ((((((pumpRunning <= switchedOnBeforeTS && splverifierCounter < 4) && 0 == methaneLevelCritical) && 1 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((((splverifierCounter < 4 && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 <= \old(waterLevel))) || !(\old(waterLevel) <= 1)) || ((((splverifierCounter < 4 && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || (((splverifierCounter < 4 && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 116.8s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 95.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 95.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2900 SDtfs, 9598 SDslu, 7250 SDs, 0 SdLazy, 27168 SolverSat, 7592 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3838 GetRequests, 3283 SyntacticMatches, 8 SemanticMatches, 547 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10169 ImplicationChecksByTransitivity, 49.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4634occurred 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: 3.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 3576 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 8581 PreInvPairs, 9360 NumberOfFragments, 6734 HoareAnnotationTreeSize, 8581 FomulaSimplifications, 1039392616 FormulaSimplificationTreeSizeReduction, 29.9s HoareSimplificationTime, 67 FomulaSimplificationsInter, 1444339 FormulaSimplificationTreeSizeReductionInter, 65.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 5219 NumberOfCodeBlocks, 4957 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 5197 ConstructedInterpolants, 0 QuantifiedInterpolants, 3144069 SizeOfPredicates, 25 NumberOfNonLiveVariables, 8404 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 5150/5361 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...