java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:24:31,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:24:31,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:24:31,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:24:31,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:24:31,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:24:31,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:24:31,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:24:31,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:24:31,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:24:31,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:24:31,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:24:31,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:24:31,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:24:31,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:24:31,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:24:31,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:24:31,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:24:31,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:24:31,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:24:31,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:24:31,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:24:31,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:24:31,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:24:31,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:24:31,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:24:31,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:24:31,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:24:31,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:24:31,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:24:31,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:24:31,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:24:31,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:24:31,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:24:31,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:24:31,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:24:31,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:24:31,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:24:31,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:24:31,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:24:31,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:24:31,158 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 [2019-10-02 14:24:31,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:24:31,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:24:31,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:24:31,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:24:31,175 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:24:31,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:24:31,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:24:31,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:24:31,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:24:31,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:24:31,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:24:31,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:24:31,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:24:31,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:24:31,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:24:31,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:24:31,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:24:31,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:24:31,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:24:31,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:24:31,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:24:31,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:24:31,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:24:31,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:24:31,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:24:31,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:24:31,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:24:31,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:24:31,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:24:31,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:24:31,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:24:31,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:24:31,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:24:31,227 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:24:31,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-10-02 14:24:31,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548aad939/87a1f3628c6d41778246dd972bd77bbf/FLAG97f0ae755 [2019-10-02 14:24:31,810 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:24:31,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-10-02 14:24:31,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548aad939/87a1f3628c6d41778246dd972bd77bbf/FLAG97f0ae755 [2019-10-02 14:24:32,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548aad939/87a1f3628c6d41778246dd972bd77bbf [2019-10-02 14:24:32,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:24:32,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:24:32,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:32,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:24:32,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:24:32,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c168e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32, skipping insertion in model container [2019-10-02 14:24:32,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:24:32,261 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:24:32,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:32,723 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:24:32,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:32,874 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:24:32,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32 WrapperNode [2019-10-02 14:24:32,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:32,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:24:32,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:24:32,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:24:32,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:33,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:33,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:33,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:24:33,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:24:33,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:24:33,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:24:33,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (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 [2019-10-02 14:24:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:24:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:24:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:24:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:24:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:24:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:24:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:24:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:24:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:24:33,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:24:33,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:24:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:24:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:24:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:24:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:24:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:24:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:24:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:24:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:24:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:24:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:24:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:24:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:24:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:24:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:24:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:24:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:24:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:24:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:24:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:24:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:24:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:24:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:24:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:24:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:24:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:24:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:24:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:24:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:24:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:24:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:24:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:24:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:24:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:24:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:24:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:24:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:24:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:24:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:24:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:24:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:24:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:24:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:24:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:24:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:24:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:24:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:24:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:24:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:24:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:24:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:24:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:24:34,232 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:24:34,233 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:24:34,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:34 BoogieIcfgContainer [2019-10-02 14:24:34,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:24:34,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:24:34,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:24:34,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:24:34,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:24:32" (1/3) ... [2019-10-02 14:24:34,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0af5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:34, skipping insertion in model container [2019-10-02 14:24:34,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (2/3) ... [2019-10-02 14:24:34,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0af5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:34, skipping insertion in model container [2019-10-02 14:24:34,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:34" (3/3) ... [2019-10-02 14:24:34,244 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2019-10-02 14:24:34,255 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:24:34,269 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:24:34,287 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:24:34,327 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:24:34,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:24:34,329 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:24:34,329 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:24:34,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:24:34,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:24:34,329 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:24:34,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:24:34,330 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:24:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-02 14:24:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:24:34,365 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:34,366 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:34,369 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1045855625, now seen corresponding path program 1 times [2019-10-02 14:24:34,376 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:34,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:34,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:34,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:34,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:34,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:34,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:24:34,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:24:34,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:24:34,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:34,807 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-02 14:24:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:34,853 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-02 14:24:34,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:24:34,858 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:24:34,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:34,872 INFO L225 Difference]: With dead ends: 292 [2019-10-02 14:24:34,873 INFO L226 Difference]: Without dead ends: 146 [2019-10-02 14:24:34,878 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-02 14:24:34,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-02 14:24:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-02 14:24:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-02 14:24:34,938 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-10-02 14:24:34,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:34,939 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-02 14:24:34,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:24:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-02 14:24:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:24:34,943 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:34,944 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:34,944 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:34,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:34,944 INFO L82 PathProgramCache]: Analyzing trace with hash -334246685, now seen corresponding path program 1 times [2019-10-02 14:24:34,945 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:34,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:34,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:34,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:34,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:35,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:35,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:24:35,128 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:24:35,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:24:35,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:35,129 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-10-02 14:24:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:35,162 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2019-10-02 14:24:35,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:24:35,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:24:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:35,165 INFO L225 Difference]: With dead ends: 241 [2019-10-02 14:24:35,165 INFO L226 Difference]: Without dead ends: 137 [2019-10-02 14:24:35,167 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-02 14:24:35,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-02 14:24:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-02 14:24:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-10-02 14:24:35,184 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-10-02 14:24:35,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:35,185 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-10-02 14:24:35,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:24:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-10-02 14:24:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-02 14:24:35,187 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:35,188 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:35,188 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:35,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash 20699943, now seen corresponding path program 1 times [2019-10-02 14:24:35,188 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:35,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:35,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:35,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:35,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:35,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:24:35,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:24:35,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:24:35,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:35,305 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2019-10-02 14:24:35,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:35,346 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2019-10-02 14:24:35,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:24:35,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-02 14:24:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:35,350 INFO L225 Difference]: With dead ends: 250 [2019-10-02 14:24:35,352 INFO L226 Difference]: Without dead ends: 137 [2019-10-02 14:24:35,354 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-02 14:24:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-02 14:24:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-02 14:24:35,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-10-02 14:24:35,375 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2019-10-02 14:24:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:35,376 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-10-02 14:24:35,376 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:24:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-10-02 14:24:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-02 14:24:35,380 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:35,380 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:35,380 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:35,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:35,381 INFO L82 PathProgramCache]: Analyzing trace with hash 134260403, now seen corresponding path program 1 times [2019-10-02 14:24:35,381 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:35,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:35,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:35,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:35,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:35,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:24:35,503 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:24:35,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:24:35,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:24:35,504 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2019-10-02 14:24:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:36,158 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2019-10-02 14:24:36,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:24:36,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-02 14:24:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:36,163 INFO L225 Difference]: With dead ends: 352 [2019-10-02 14:24:36,163 INFO L226 Difference]: Without dead ends: 239 [2019-10-02 14:24:36,164 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:24:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-02 14:24:36,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2019-10-02 14:24:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-02 14:24:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2019-10-02 14:24:36,208 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2019-10-02 14:24:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:36,209 INFO L475 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2019-10-02 14:24:36,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:24:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2019-10-02 14:24:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-02 14:24:36,213 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:36,213 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:36,214 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:36,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:36,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1484828875, now seen corresponding path program 1 times [2019-10-02 14:24:36,217 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:36,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:36,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:36,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:36,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:36,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:36,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:24:36,421 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:24:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:24:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:36,422 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2019-10-02 14:24:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:37,185 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2019-10-02 14:24:37,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 14:24:37,185 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-10-02 14:24:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:37,191 INFO L225 Difference]: With dead ends: 703 [2019-10-02 14:24:37,191 INFO L226 Difference]: Without dead ends: 506 [2019-10-02 14:24:37,193 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:37,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-02 14:24:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2019-10-02 14:24:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-10-02 14:24:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2019-10-02 14:24:37,246 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2019-10-02 14:24:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:37,246 INFO L475 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2019-10-02 14:24:37,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:24:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2019-10-02 14:24:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 14:24:37,251 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:37,252 INFO L411 BasicCegarLoop]: trace histogram [2, 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] [2019-10-02 14:24:37,252 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:37,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:37,253 INFO L82 PathProgramCache]: Analyzing trace with hash 733039381, now seen corresponding path program 1 times [2019-10-02 14:24:37,253 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:37,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:37,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:37,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:37,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 14:24:37,404 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:37,404 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:37,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:37,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 14:24:37,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:24:37,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:37,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-10-02 14:24:37,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 14:24:37,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 14:24:37,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-02 14:24:37,823 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 12 states. [2019-10-02 14:24:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:40,262 INFO L93 Difference]: Finished difference Result 1410 states and 1864 transitions. [2019-10-02 14:24:40,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-02 14:24:40,263 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 139 [2019-10-02 14:24:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:40,277 INFO L225 Difference]: With dead ends: 1410 [2019-10-02 14:24:40,277 INFO L226 Difference]: Without dead ends: 938 [2019-10-02 14:24:40,280 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-10-02 14:24:40,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-02 14:24:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 864. [2019-10-02 14:24:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2019-10-02 14:24:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1059 transitions. [2019-10-02 14:24:40,406 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1059 transitions. Word has length 139 [2019-10-02 14:24:40,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,407 INFO L475 AbstractCegarLoop]: Abstraction has 864 states and 1059 transitions. [2019-10-02 14:24:40,407 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 14:24:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1059 transitions. [2019-10-02 14:24:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-02 14:24:40,412 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,412 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 14:24:40,412 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1791700917, now seen corresponding path program 1 times [2019-10-02 14:24:40,413 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 14:24:40,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:40,532 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:40,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:40,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:24:40,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-02 14:24:40,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:40,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:24:40,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:24:40,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:24:40,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:40,831 INFO L87 Difference]: Start difference. First operand 864 states and 1059 transitions. Second operand 11 states. [2019-10-02 14:24:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:40,909 INFO L93 Difference]: Finished difference Result 1573 states and 1972 transitions. [2019-10-02 14:24:40,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:24:40,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2019-10-02 14:24:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:40,916 INFO L225 Difference]: With dead ends: 1573 [2019-10-02 14:24:40,916 INFO L226 Difference]: Without dead ends: 733 [2019-10-02 14:24:40,920 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2019-10-02 14:24:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2019-10-02 14:24:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-02 14:24:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 883 transitions. [2019-10-02 14:24:40,972 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 883 transitions. Word has length 131 [2019-10-02 14:24:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,973 INFO L475 AbstractCegarLoop]: Abstraction has 733 states and 883 transitions. [2019-10-02 14:24:40,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:24:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 883 transitions. [2019-10-02 14:24:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-02 14:24:40,982 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,983 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:40,983 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,983 INFO L82 PathProgramCache]: Analyzing trace with hash 900713074, now seen corresponding path program 1 times [2019-10-02 14:24:40,984 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-02 14:24:41,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:41,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:24:41,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:24:41,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:24:41,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:24:41,115 INFO L87 Difference]: Start difference. First operand 733 states and 883 transitions. Second operand 9 states. [2019-10-02 14:24:42,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:42,065 INFO L93 Difference]: Finished difference Result 1958 states and 2419 transitions. [2019-10-02 14:24:42,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 14:24:42,065 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2019-10-02 14:24:42,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:42,074 INFO L225 Difference]: With dead ends: 1958 [2019-10-02 14:24:42,074 INFO L226 Difference]: Without dead ends: 1249 [2019-10-02 14:24:42,078 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2019-10-02 14:24:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1246. [2019-10-02 14:24:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2019-10-02 14:24:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1488 transitions. [2019-10-02 14:24:42,169 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1488 transitions. Word has length 135 [2019-10-02 14:24:42,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:42,170 INFO L475 AbstractCegarLoop]: Abstraction has 1246 states and 1488 transitions. [2019-10-02 14:24:42,171 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:24:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1488 transitions. [2019-10-02 14:24:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 14:24:42,174 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:42,175 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:42,175 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2102865238, now seen corresponding path program 1 times [2019-10-02 14:24:42,176 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:42,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:42,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:42,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-02 14:24:42,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:42,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:24:42,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:24:42,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:24:42,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:24:42,309 INFO L87 Difference]: Start difference. First operand 1246 states and 1488 transitions. Second operand 6 states. [2019-10-02 14:24:42,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:42,538 INFO L93 Difference]: Finished difference Result 1271 states and 1517 transitions. [2019-10-02 14:24:42,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:24:42,539 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2019-10-02 14:24:42,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:42,546 INFO L225 Difference]: With dead ends: 1271 [2019-10-02 14:24:42,547 INFO L226 Difference]: Without dead ends: 1268 [2019-10-02 14:24:42,548 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:24:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2019-10-02 14:24:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1246. [2019-10-02 14:24:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2019-10-02 14:24:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1480 transitions. [2019-10-02 14:24:42,623 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1480 transitions. Word has length 139 [2019-10-02 14:24:42,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:42,624 INFO L475 AbstractCegarLoop]: Abstraction has 1246 states and 1480 transitions. [2019-10-02 14:24:42,624 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:24:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1480 transitions. [2019-10-02 14:24:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 14:24:42,628 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:42,628 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:42,628 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:42,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2070429682, now seen corresponding path program 1 times [2019-10-02 14:24:42,629 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:42,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:42,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:42,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-02 14:24:42,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:42,783 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:42,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:42,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 14:24:42,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:43,085 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:24:43,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2019-10-02 14:24:43,087 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 14:24:43,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 14:24:43,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:24:43,088 INFO L87 Difference]: Start difference. First operand 1246 states and 1480 transitions. Second operand 14 states. [2019-10-02 14:24:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:44,985 INFO L93 Difference]: Finished difference Result 2482 states and 3094 transitions. [2019-10-02 14:24:44,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-02 14:24:44,986 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2019-10-02 14:24:44,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:44,998 INFO L225 Difference]: With dead ends: 2482 [2019-10-02 14:24:44,999 INFO L226 Difference]: Without dead ends: 1388 [2019-10-02 14:24:45,004 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2019-10-02 14:24:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2019-10-02 14:24:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1216. [2019-10-02 14:24:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2019-10-02 14:24:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1444 transitions. [2019-10-02 14:24:45,122 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1444 transitions. Word has length 157 [2019-10-02 14:24:45,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:45,123 INFO L475 AbstractCegarLoop]: Abstraction has 1216 states and 1444 transitions. [2019-10-02 14:24:45,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 14:24:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1444 transitions. [2019-10-02 14:24:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-02 14:24:45,131 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:45,132 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 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] [2019-10-02 14:24:45,132 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:45,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:45,133 INFO L82 PathProgramCache]: Analyzing trace with hash 426205906, now seen corresponding path program 2 times [2019-10-02 14:24:45,133 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:45,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:45,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:45,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:45,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-02 14:24:45,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:45,529 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:45,604 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 14:24:45,779 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 14:24:45,779 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 14:24:45,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-02 14:24:45,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:45,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:24:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 14:24:46,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:46,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-10-02 14:24:46,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:24:46,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:24:46,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:24:46,005 INFO L87 Difference]: Start difference. First operand 1216 states and 1444 transitions. Second operand 16 states. [2019-10-02 14:24:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:48,870 INFO L93 Difference]: Finished difference Result 3207 states and 3988 transitions. [2019-10-02 14:24:48,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 14:24:48,871 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 226 [2019-10-02 14:24:48,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:48,887 INFO L225 Difference]: With dead ends: 3207 [2019-10-02 14:24:48,887 INFO L226 Difference]: Without dead ends: 2139 [2019-10-02 14:24:48,893 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-10-02 14:24:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2019-10-02 14:24:49,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1829. [2019-10-02 14:24:49,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1829 states. [2019-10-02 14:24:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2117 transitions. [2019-10-02 14:24:49,011 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2117 transitions. Word has length 226 [2019-10-02 14:24:49,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:49,011 INFO L475 AbstractCegarLoop]: Abstraction has 1829 states and 2117 transitions. [2019-10-02 14:24:49,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:24:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2117 transitions. [2019-10-02 14:24:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-02 14:24:49,017 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:49,018 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 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] [2019-10-02 14:24:49,018 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1607188140, now seen corresponding path program 1 times [2019-10-02 14:24:49,019 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:49,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:49,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:49,022 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 14:24:49,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-10-02 14:24:49,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:49,160 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:49,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:49,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:24:49,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Stream closed [2019-10-02 14:24:49,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:49,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:24:49,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:24:49,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:24:49,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:24:49,720 INFO L87 Difference]: Start difference. First operand 1829 states and 2117 transitions. Second operand 13 states. [2019-10-02 14:24:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:49,820 INFO L93 Difference]: Finished difference Result 2382 states and 2758 transitions. [2019-10-02 14:24:49,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:24:49,821 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2019-10-02 14:24:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:49,825 INFO L225 Difference]: With dead ends: 2382 [2019-10-02 14:24:49,825 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:24:49,831 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:24:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:24:49,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:24:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:24:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:24:49,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-10-02 14:24:49,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:49,833 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:24:49,833 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:24:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:24:49,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:24:49,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:24:51,068 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 11 [2019-10-02 14:24:51,175 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-10-02 14:24:51,484 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 20 [2019-10-02 14:24:51,907 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2019-10-02 14:24:52,089 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 17 [2019-10-02 14:24:52,339 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-10-02 14:24:52,538 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-10-02 14:24:52,904 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 22 [2019-10-02 14:24:53,091 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-02 14:24:53,935 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-10-02 14:24:54,151 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-10-02 14:24:54,448 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 16 [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:24:54,819 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-02 14:24:54,820 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2019-10-02 14:24:54,821 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2019-10-02 14:24:54,821 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-02 14:24:54,821 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2019-10-02 14:24:54,821 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:54,821 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-10-02 14:24:54,822 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:54,822 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-10-02 14:24:54,822 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2019-10-02 14:24:54,822 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2019-10-02 14:24:54,822 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,822 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-10-02 14:24:54,822 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-10-02 14:24:54,823 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,823 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,823 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-10-02 14:24:54,823 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-10-02 14:24:54,823 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-10-02 14:24:54,823 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,824 INFO L439 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,824 INFO L439 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-02 14:24:54,824 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-02 14:24:54,825 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2019-10-02 14:24:54,826 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2019-10-02 14:24:54,826 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2019-10-02 14:24:54,827 INFO L443 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2019-10-02 14:24:54,828 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:24:54,829 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:24:54,830 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,830 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-10-02 14:24:54,830 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-10-02 14:24:54,830 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2019-10-02 14:24:54,830 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2019-10-02 14:24:54,830 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-02 14:24:54,830 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-10-02 14:24:54,830 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2019-10-02 14:24:54,831 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-02 14:24:54,832 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2019-10-02 14:24:54,832 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2019-10-02 14:24:54,832 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,832 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-10-02 14:24:54,832 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2019-10-02 14:24:54,832 INFO L439 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2019-10-02 14:24:54,833 INFO L439 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-02 14:24:54,833 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2019-10-02 14:24:54,833 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-02 14:24:54,833 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2019-10-02 14:24:54,833 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2019-10-02 14:24:54,833 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,833 INFO L439 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-02 14:24:54,834 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-10-02 14:24:54,834 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-10-02 14:24:54,834 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-10-02 14:24:54,834 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-02 14:24:54,834 INFO L439 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-02 14:24:54,834 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-02 14:24:54,834 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-02 14:24:54,835 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-02 14:24:54,835 INFO L439 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,835 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-02 14:24:54,835 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-02 14:24:54,835 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-10-02 14:24:54,835 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-10-02 14:24:54,835 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2019-10-02 14:24:54,836 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2019-10-02 14:24:54,836 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:24:54,837 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:24:54,838 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 712 721) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 712 721) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 712 721) no Hoare annotation was computed. [2019-10-02 14:24:54,839 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:24:54,840 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,840 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-02 14:24:54,840 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2019-10-02 14:24:54,841 INFO L446 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-10-02 14:24:54,841 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2019-10-02 14:24:54,841 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,842 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,842 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,842 INFO L443 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2019-10-02 14:24:54,842 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse5)) (.cse6 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse7 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse0) (or .cse4 .cse1 .cse3 .cse6 .cse0) (or .cse5 .cse0 .cse2 .cse7)))) [2019-10-02 14:24:54,842 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2019-10-02 14:24:54,842 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) .cse3 (<= |old(~waterLevel~0)| .cse2))) (and .cse3 .cse0) (not (<= 2 |old(~waterLevel~0)|)))))) [2019-10-02 14:24:54,843 INFO L439 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse6 (<= 1 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not .cse6)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse2 .cse3 .cse4 (let ((.cse5 (+ ~waterLevel~0 1))) (and (<= .cse5 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse5) .cse1))) (or .cse2 .cse0 .cse3 .cse4)))) [2019-10-02 14:24:54,843 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-02 14:24:54,843 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-02 14:24:54,843 INFO L443 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2019-10-02 14:24:54,843 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2019-10-02 14:24:54,844 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2019-10-02 14:24:54,844 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-02 14:24:54,844 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-10-02 14:24:54,844 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-10-02 14:24:54,844 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-10-02 14:24:54,844 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-10-02 14:24:54,844 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-10-02 14:24:54,844 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-10-02 14:24:54,844 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-02 14:24:54,845 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-10-02 14:24:54,845 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-10-02 14:24:54,845 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2019-10-02 14:24:54,845 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2019-10-02 14:24:54,845 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2019-10-02 14:24:54,845 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 ~systemActive~0)))) [2019-10-02 14:24:54,845 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2019-10-02 14:24:54,845 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2019-10-02 14:24:54,846 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-10-02 14:24:54,846 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-10-02 14:24:54,846 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,846 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-02 14:24:54,846 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:24:54,846 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:54,846 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,847 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2019-10-02 14:24:54,847 INFO L439 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,847 INFO L443 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2019-10-02 14:24:54,847 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,847 INFO L439 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,847 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2019-10-02 14:24:54,847 INFO L439 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-10-02 14:24:54,847 INFO L443 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2019-10-02 14:24:54,847 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2019-10-02 14:24:54,848 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2019-10-02 14:24:54,848 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2019-10-02 14:24:54,848 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 ~pumpRunning~0)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2019-10-02 14:24:54,848 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2019-10-02 14:24:54,848 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2019-10-02 14:24:54,848 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-10-02 14:24:54,848 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2019-10-02 14:24:54,849 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2019-10-02 14:24:54,849 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-10-02 14:24:54,849 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not .cse1) (= ~pumpRunning~0 0) .cse0 .cse2))) [2019-10-02 14:24:54,849 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2019-10-02 14:24:54,849 INFO L439 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-02 14:24:54,849 INFO L439 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~5)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-02 14:24:54,850 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2019-10-02 14:24:54,850 INFO L439 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-02 14:24:54,850 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-02 14:24:54,850 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-10-02 14:24:54,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:24:54 BoogieIcfgContainer [2019-10-02 14:24:54,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:24:54,868 INFO L168 Benchmark]: Toolchain (without parser) took 22684.08 ms. Allocated memory was 139.5 MB in the beginning and 605.6 MB in the end (delta: 466.1 MB). Free memory was 85.8 MB in the beginning and 427.3 MB in the end (delta: -341.5 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,869 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.37 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.6 MB in the beginning and 162.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,871 INFO L168 Benchmark]: Boogie Preprocessor took 160.47 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 156.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,872 INFO L168 Benchmark]: RCFGBuilder took 1196.19 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 156.6 MB in the beginning and 184.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,873 INFO L168 Benchmark]: TraceAbstraction took 20630.38 ms. Allocated memory was 222.8 MB in the beginning and 605.6 MB in the end (delta: 382.7 MB). Free memory was 183.6 MB in the beginning and 427.3 MB in the end (delta: -243.7 MB). Peak memory consumption was 502.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:54,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.37 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.6 MB in the beginning and 162.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.47 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 156.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.19 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 156.6 MB in the beginning and 184.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20630.38 ms. Allocated memory was 222.8 MB in the beginning and 605.6 MB in the end (delta: 382.7 MB). Free memory was 183.6 MB in the beginning and 427.3 MB in the end (delta: -243.7 MB). Peak memory consumption was 502.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || (2 <= waterLevel && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. SAFE Result, 20.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2307 SDtfs, 2554 SDslu, 7558 SDs, 0 SdLazy, 7658 SolverSat, 1257 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1068 GetRequests, 917 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1829occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 609 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 3297 PreInvPairs, 3390 NumberOfFragments, 1228 HoareAnnotationTreeSize, 3297 FomulaSimplifications, 10373 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 14176 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2328 NumberOfCodeBlocks, 2328 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2311 ConstructedInterpolants, 0 QuantifiedInterpolants, 562523 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4643 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 681/748 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...