/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:05:35,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:05:35,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:05:35,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:05:35,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:05:35,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:05:35,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:05:35,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:05:35,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:05:35,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:05:35,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:05:35,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:05:35,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:05:35,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:05:35,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:05:35,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:05:35,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:05:35,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:05:36,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:05:36,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:05:36,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:05:36,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:05:36,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:05:36,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:05:36,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:05:36,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:05:36,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:05:36,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:05:36,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:05:36,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:05:36,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:05:36,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:05:36,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:05:36,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:05:36,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:05:36,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:05:36,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:05:36,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:05:36,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:05:36,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:05:36,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:05:36,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:05:36,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:05:36,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:05:36,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:05:36,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:05:36,075 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:05:36,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:05:36,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:05:36,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:05:36,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:05:36,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:05:36,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:05:36,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:05:36,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:05:36,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:05:36,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:05:36,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:05:36,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:05:36,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:05:36,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:05:36,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:05:36,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:05:36,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:36,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:05:36,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:05:36,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:05:36,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:05:36,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:05:36,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:05:36,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:05:36,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:05:36,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:05:36,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:05:36,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:05:36,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:05:36,364 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:05:36,365 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-19 21:05:36,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c052af7c/0252dec9bbd54fc587e612a621f87acb/FLAG0830873ce [2020-07-19 21:05:36,978 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:05:36,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-19 21:05:36,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c052af7c/0252dec9bbd54fc587e612a621f87acb/FLAG0830873ce [2020-07-19 21:05:37,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c052af7c/0252dec9bbd54fc587e612a621f87acb [2020-07-19 21:05:37,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:05:37,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:05:37,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:37,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:05:37,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:05:37,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc99d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37, skipping insertion in model container [2020-07-19 21:05:37,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:05:37,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:05:37,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:37,733 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:05:37,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:38,005 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:05:38,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38 WrapperNode [2020-07-19 21:05:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:38,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:05:38,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:05:38,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:05:38,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... [2020-07-19 21:05:38,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:05:38,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:05:38,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:05:38,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:05:38,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:05:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:05:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:05:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:05:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:05:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:05:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:05:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:05:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:05:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:05:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:05:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:05:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:05:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:05:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:05:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:05:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:05:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:05:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:05:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:05:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:05:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:05:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:05:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:05:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:05:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:05:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:05:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:05:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:05:39,268 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:05:39,268 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:05:39,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:39 BoogieIcfgContainer [2020-07-19 21:05:39,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:05:39,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:05:39,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:05:39,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:05:39,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:05:37" (1/3) ... [2020-07-19 21:05:39,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21827e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:39, skipping insertion in model container [2020-07-19 21:05:39,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:38" (2/3) ... [2020-07-19 21:05:39,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21827e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:39, skipping insertion in model container [2020-07-19 21:05:39,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:39" (3/3) ... [2020-07-19 21:05:39,282 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-07-19 21:05:39,292 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:05:39,300 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:05:39,314 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:05:39,338 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:05:39,338 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:05:39,339 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:05:39,339 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:05:39,339 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:05:39,339 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:05:39,339 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:05:39,339 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:05:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-19 21:05:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:05:39,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:39,374 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:39,374 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:39,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-07-19 21:05:39,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:39,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595793898] [2020-07-19 21:05:39,389 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,052 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:40,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595793898] [2020-07-19 21:05:40,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:40,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:05:40,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034145902] [2020-07-19 21:05:40,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:05:40,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:40,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:05:40,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:40,199 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 4 states. [2020-07-19 21:05:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:41,301 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2020-07-19 21:05:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:05:41,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:05:41,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:41,317 INFO L225 Difference]: With dead ends: 308 [2020-07-19 21:05:41,318 INFO L226 Difference]: Without dead ends: 170 [2020-07-19 21:05:41,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:41,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-19 21:05:41,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2020-07-19 21:05:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-19 21:05:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-07-19 21:05:41,448 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-07-19 21:05:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:41,449 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-07-19 21:05:41,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:05:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-07-19 21:05:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:05:41,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:41,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:41,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:05:41,463 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:41,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-07-19 21:05:41,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:41,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191023083] [2020-07-19 21:05:41,464 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,832 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:41,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191023083] [2020-07-19 21:05:41,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:41,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:05:41,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52026731] [2020-07-19 21:05:41,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:05:41,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:41,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:05:41,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:05:41,894 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 5 states. [2020-07-19 21:05:42,395 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:43,205 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2020-07-19 21:05:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:05:43,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:05:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:43,210 INFO L225 Difference]: With dead ends: 244 [2020-07-19 21:05:43,210 INFO L226 Difference]: Without dead ends: 160 [2020-07-19 21:05:43,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-19 21:05:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2020-07-19 21:05:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-19 21:05:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-07-19 21:05:43,249 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-07-19 21:05:43,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:43,250 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-07-19 21:05:43,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:05:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-07-19 21:05:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:05:43,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:43,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:43,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:05:43,252 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:43,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-07-19 21:05:43,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:43,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857483646] [2020-07-19 21:05:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,601 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:43,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857483646] [2020-07-19 21:05:43,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:43,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:43,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544055934] [2020-07-19 21:05:43,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:43,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:43,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:43,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:43,741 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 9 states. [2020-07-19 21:05:44,129 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:44,460 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:44,704 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:44,914 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:45,821 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:47,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:47,470 INFO L93 Difference]: Finished difference Result 435 states and 529 transitions. [2020-07-19 21:05:47,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:05:47,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:05:47,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:47,477 INFO L225 Difference]: With dead ends: 435 [2020-07-19 21:05:47,478 INFO L226 Difference]: Without dead ends: 333 [2020-07-19 21:05:47,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:05:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-07-19 21:05:47,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 268. [2020-07-19 21:05:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-19 21:05:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2020-07-19 21:05:47,572 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2020-07-19 21:05:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:47,573 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2020-07-19 21:05:47,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2020-07-19 21:05:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:05:47,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:47,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:47,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:05:47,576 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:47,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:47,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2020-07-19 21:05:47,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:47,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223940373] [2020-07-19 21:05:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,891 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:05:47,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223940373] [2020-07-19 21:05:47,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:47,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:47,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323631299] [2020-07-19 21:05:47,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:47,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:47,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:47,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:47,988 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 9 states. [2020-07-19 21:05:48,407 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:49,101 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:50,016 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:50,276 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:50,573 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:50,848 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:51,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:51,329 INFO L93 Difference]: Finished difference Result 679 states and 862 transitions. [2020-07-19 21:05:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:05:51,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:05:51,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:51,338 INFO L225 Difference]: With dead ends: 679 [2020-07-19 21:05:51,339 INFO L226 Difference]: Without dead ends: 439 [2020-07-19 21:05:51,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:05:51,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-19 21:05:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 379. [2020-07-19 21:05:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-19 21:05:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 451 transitions. [2020-07-19 21:05:51,465 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 451 transitions. Word has length 70 [2020-07-19 21:05:51,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:51,466 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 451 transitions. [2020-07-19 21:05:51,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 451 transitions. [2020-07-19 21:05:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:51,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:51,469 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:51,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:05:51,469 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:51,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:51,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-07-19 21:05:51,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:51,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386094664] [2020-07-19 21:05:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,763 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:51,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386094664] [2020-07-19 21:05:51,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:51,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:51,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201191798] [2020-07-19 21:05:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:51,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:51,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:51,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:51,923 INFO L87 Difference]: Start difference. First operand 379 states and 451 transitions. Second operand 9 states. [2020-07-19 21:05:52,386 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:53,343 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:53,585 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:05:53,858 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:54,115 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:55,419 INFO L93 Difference]: Finished difference Result 1185 states and 1563 transitions. [2020-07-19 21:05:55,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:05:55,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-19 21:05:55,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:55,426 INFO L225 Difference]: With dead ends: 1185 [2020-07-19 21:05:55,427 INFO L226 Difference]: Without dead ends: 834 [2020-07-19 21:05:55,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:05:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-07-19 21:05:55,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 717. [2020-07-19 21:05:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-19 21:05:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 858 transitions. [2020-07-19 21:05:55,559 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 858 transitions. Word has length 102 [2020-07-19 21:05:55,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:55,560 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 858 transitions. [2020-07-19 21:05:55,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 858 transitions. [2020-07-19 21:05:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:55,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:55,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:55,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:05:55,566 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:55,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:55,567 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-07-19 21:05:55,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:55,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255474720] [2020-07-19 21:05:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,893 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:56,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255474720] [2020-07-19 21:05:56,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:56,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:56,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071133513] [2020-07-19 21:05:56,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:56,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:56,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:56,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:56,014 INFO L87 Difference]: Start difference. First operand 717 states and 858 transitions. Second operand 9 states. [2020-07-19 21:05:57,099 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:57,369 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:05:57,641 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:57,877 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:58,568 INFO L93 Difference]: Finished difference Result 1536 states and 1964 transitions. [2020-07-19 21:05:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:05:58,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-19 21:05:58,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:58,577 INFO L225 Difference]: With dead ends: 1536 [2020-07-19 21:05:58,577 INFO L226 Difference]: Without dead ends: 847 [2020-07-19 21:05:58,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-07-19 21:05:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 737. [2020-07-19 21:05:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-07-19 21:05:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 878 transitions. [2020-07-19 21:05:58,728 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 878 transitions. Word has length 102 [2020-07-19 21:05:58,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:58,731 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 878 transitions. [2020-07-19 21:05:58,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 878 transitions. [2020-07-19 21:05:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:58,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:58,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:58,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:05:58,739 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:58,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-07-19 21:05:58,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:58,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421873155] [2020-07-19 21:05:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:05:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,015 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:59,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421873155] [2020-07-19 21:05:59,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:59,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:05:59,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527694907] [2020-07-19 21:05:59,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:05:59,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:59,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:05:59,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:05:59,160 INFO L87 Difference]: Start difference. First operand 737 states and 878 transitions. Second operand 11 states. [2020-07-19 21:05:59,956 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:00,190 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:00,399 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:01,142 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:01,394 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:01,625 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:02,599 INFO L93 Difference]: Finished difference Result 1360 states and 1702 transitions. [2020-07-19 21:06:02,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:06:02,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-07-19 21:06:02,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:02,609 INFO L225 Difference]: With dead ends: 1360 [2020-07-19 21:06:02,609 INFO L226 Difference]: Without dead ends: 651 [2020-07-19 21:06:02,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-07-19 21:06:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 578. [2020-07-19 21:06:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-07-19 21:06:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 674 transitions. [2020-07-19 21:06:02,735 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 674 transitions. Word has length 102 [2020-07-19 21:06:02,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:02,735 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 674 transitions. [2020-07-19 21:06:02,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:06:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 674 transitions. [2020-07-19 21:06:02,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-19 21:06:02,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:02,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:02,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:06:02,739 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:02,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:02,740 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-07-19 21:06:02,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:02,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826272357] [2020-07-19 21:06:02,742 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:06:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,129 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:03,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826272357] [2020-07-19 21:06:03,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:03,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:06:03,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535767466] [2020-07-19 21:06:03,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:06:03,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:03,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:06:03,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:06:03,349 INFO L87 Difference]: Start difference. First operand 578 states and 674 transitions. Second operand 12 states. [2020-07-19 21:06:03,854 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:04,451 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:05,086 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:05,420 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:05,664 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:05,961 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:06,221 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:07,541 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:07,802 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:08,346 INFO L93 Difference]: Finished difference Result 1691 states and 2129 transitions. [2020-07-19 21:06:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:06:08,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-07-19 21:06:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:08,354 INFO L225 Difference]: With dead ends: 1691 [2020-07-19 21:06:08,354 INFO L226 Difference]: Without dead ends: 1313 [2020-07-19 21:06:08,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:06:08,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2020-07-19 21:06:08,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1197. [2020-07-19 21:06:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-07-19 21:06:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1399 transitions. [2020-07-19 21:06:08,535 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1399 transitions. Word has length 106 [2020-07-19 21:06:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:08,536 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1399 transitions. [2020-07-19 21:06:08,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:06:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1399 transitions. [2020-07-19 21:06:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-19 21:06:08,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:08,540 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:08,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:06:08,540 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2020-07-19 21:06:08,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:08,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046528499] [2020-07-19 21:06:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:06:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,823 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 21:06:09,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046528499] [2020-07-19 21:06:09,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584082833] [2020-07-19 21:06:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:09,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:06:09,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:09,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:09,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387098049] [2020-07-19 21:06:09,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:09,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:09,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:09,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:09,706 INFO L87 Difference]: Start difference. First operand 1197 states and 1399 transitions. Second operand 20 states. [2020-07-19 21:06:10,377 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:10,754 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:11,040 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:11,322 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:11,967 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 21:06:12,235 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:06:12,596 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:13,089 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 21:06:13,412 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:14,575 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:15,127 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:15,443 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:15,811 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:16,307 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:16,863 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:17,128 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:17,401 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:17,670 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:18,267 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:18,791 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:19,123 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:19,438 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:19,755 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 21:06:20,047 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:20,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:20,198 INFO L93 Difference]: Finished difference Result 2269 states and 2751 transitions. [2020-07-19 21:06:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-19 21:06:20,199 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-07-19 21:06:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:20,206 INFO L225 Difference]: With dead ends: 2269 [2020-07-19 21:06:20,207 INFO L226 Difference]: Without dead ends: 1266 [2020-07-19 21:06:20,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=932, Invalid=4038, Unknown=0, NotChecked=0, Total=4970 [2020-07-19 21:06:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-07-19 21:06:20,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1127. [2020-07-19 21:06:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-07-19 21:06:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1301 transitions. [2020-07-19 21:06:20,436 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1301 transitions. Word has length 149 [2020-07-19 21:06:20,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:20,437 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1301 transitions. [2020-07-19 21:06:20,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:06:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1301 transitions. [2020-07-19 21:06:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-19 21:06:20,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:20,444 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-19 21:06:20,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:06:20,660 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:20,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:20,661 INFO L82 PathProgramCache]: Analyzing trace with hash -222710156, now seen corresponding path program 1 times [2020-07-19 21:06:20,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:20,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844384962] [2020-07-19 21:06:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 [2020-07-19 21:06:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,012 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-19 21:06:21,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844384962] [2020-07-19 21:06:21,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350487256] [2020-07-19 21:06:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@383e7d60 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:21,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:06:21,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-07-19 21:06:21,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:06:21,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-19 21:06:21,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887819275] [2020-07-19 21:06:21,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:06:21,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:21,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:06:21,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:06:21,952 INFO L87 Difference]: Start difference. First operand 1127 states and 1301 transitions. Second operand 3 states. [2020-07-19 21:06:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:22,192 INFO L93 Difference]: Finished difference Result 1357 states and 1579 transitions. [2020-07-19 21:06:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:06:22,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-07-19 21:06:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:22,195 INFO L225 Difference]: With dead ends: 1357 [2020-07-19 21:06:22,195 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:06:22,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:06:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:06:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:06:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:06:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:06:22,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2020-07-19 21:06:22,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:22,202 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:06:22,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:06:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:06:22,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:06:22,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:06:22,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:06:23,385 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 233 [2020-07-19 21:06:24,464 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2020-07-19 21:06:26,359 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 230 [2020-07-19 21:06:26,649 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 234 [2020-07-19 21:06:27,255 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 228 [2020-07-19 21:06:27,455 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 21:06:28,091 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 26 [2020-07-19 21:06:28,248 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:06:28,414 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-19 21:06:29,070 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 32 [2020-07-19 21:06:29,202 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:06:29,365 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 21:06:29,527 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 21:06:30,371 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 33 [2020-07-19 21:06:30,521 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-07-19 21:06:30,723 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:30,894 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:06:31,147 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-07-19 21:06:31,326 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:06:31,473 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 21:06:32,571 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 198 DAG size of output: 42 [2020-07-19 21:06:32,728 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-19 21:06:33,710 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 33 [2020-07-19 21:06:34,288 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-19 21:06:34,474 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 21:06:35,393 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-19 21:06:35,749 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:06:36,740 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-07-19 21:06:36,888 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:06:37,196 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-07-19 21:06:37,754 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-07-19 21:06:37,926 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:06:38,104 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:06:38,278 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 21:06:38,465 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2020-07-19 21:06:38,614 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:06:38,786 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:06:39,191 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-07-19 21:06:39,330 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 21:06:39,663 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-19 21:06:40,212 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-07-19 21:06:40,713 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-07-19 21:06:40,873 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 21:06:41,193 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2020-07-19 21:06:41,377 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 21:06:42,536 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 184 DAG size of output: 35 [2020-07-19 21:06:42,935 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-07-19 21:06:43,130 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 21:06:43,353 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-19 21:06:43,358 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:06:43,359 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:06:43,359 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:06:43,359 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 21:06:43,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:06:43,359 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:06:43,360 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 21:06:43,361 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-07-19 21:06:43,361 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-07-19 21:06:43,362 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-07-19 21:06:43,362 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-07-19 21:06:43,362 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-07-19 21:06:43,362 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,362 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-07-19 21:06:43,362 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-07-19 21:06:43,363 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse0 .cse3))) [2020-07-19 21:06:43,363 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-07-19 21:06:43,363 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-19 21:06:43,363 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-07-19 21:06:43,363 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-07-19 21:06:43,363 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-07-19 21:06:43,363 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 0 ~systemActive~0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 21:06:43,364 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-19 21:06:43,364 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-07-19 21:06:43,364 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-07-19 21:06:43,365 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,365 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:06:43,365 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:06:43,367 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:06:43,367 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:06:43,367 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:06:43,367 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:06:43,367 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,368 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,368 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:06:43,368 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-07-19 21:06:43,369 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0)) (or (not (= 1 ~waterLevel~0)) .cse2) (or .cse2 (not (= 0 |old(~systemActive~0)|))) (or .cse3 .cse2) (or .cse0 .cse1 .cse3))) [2020-07-19 21:06:43,369 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse5 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (= 0 ~pumpRunning~0))) (.cse3 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse4 (= 0 ~switchedOnBeforeTS~0)) (or .cse1 (not (= 0 |old(~systemActive~0)|)) .cse2) (or .cse3 .cse4 .cse0)))) [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-19 21:06:43,370 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:06:43,371 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:06:43,372 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:06:43,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:06:43,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:06:43,372 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,372 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,372 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-19 21:06:43,372 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-19 21:06:43,373 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-07-19 21:06:43,373 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-07-19 21:06:43,373 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-07-19 21:06:43,373 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-19 21:06:43,373 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-19 21:06:43,373 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 .cse0 (= 0 ~switchedOnBeforeTS~0)))) [2020-07-19 21:06:43,373 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-07-19 21:06:43,373 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-07-19 21:06:43,374 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-07-19 21:06:43,374 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-07-19 21:06:43,374 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-07-19 21:06:43,374 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-07-19 21:06:43,374 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:43,374 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:06:43,374 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-07-19 21:06:43,375 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:43,375 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-19 21:06:43,375 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-07-19 21:06:43,375 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-07-19 21:06:43,375 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:43,375 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:06:43,376 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-07-19 21:06:43,376 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-07-19 21:06:43,376 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-07-19 21:06:43,376 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1))) [2020-07-19 21:06:43,376 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,376 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-19 21:06:43,377 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-07-19 21:06:43,377 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 21:06:43,377 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-19 21:06:43,377 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-07-19 21:06:43,377 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-19 21:06:43,377 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-07-19 21:06:43,377 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-19 21:06:43,378 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:43,378 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3) (and .cse0 .cse3 .cse2))) [2020-07-19 21:06:43,378 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-19 21:06:43,378 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3))) [2020-07-19 21:06:43,378 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-07-19 21:06:43,378 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:06:43,379 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 21:06:43,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 21:06:43,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-07-19 21:06:43,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,383 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:06:43,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,383 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,383 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-07-19 21:06:43,383 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-07-19 21:06:43,383 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,384 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,384 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-07-19 21:06:43,384 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-07-19 21:06:43,384 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-07-19 21:06:43,385 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,386 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-19 21:06:43,386 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-19 21:06:43,386 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-19 21:06:43,386 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (= 0 ~systemActive~0)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse2 .cse3))) [2020-07-19 21:06:43,386 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (and .cse0 .cse9)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or .cse8 (not (= 0 ~systemActive~0)) .cse2) (or .cse8 (and .cse9 (<= 1 ~pumpRunning~0)) .cse5 .cse2 .cse3)))) [2020-07-19 21:06:43,387 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-19 21:06:43,387 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-07-19 21:06:43,387 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-07-19 21:06:43,387 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse4 (and .cse6 .cse7 .cse8)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse5) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse5 (and .cse6 .cse7 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 .cse5 .cse3)))) [2020-07-19 21:06:43,387 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-07-19 21:06:43,387 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-07-19 21:06:43,388 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-19 21:06:43,388 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-19 21:06:43,388 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-19 21:06:43,388 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-19 21:06:43,388 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-19 21:06:43,388 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-19 21:06:43,388 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 21:06:43,388 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 21:06:43,388 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 21:06:43,389 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-07-19 21:06:43,389 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-07-19 21:06:43,389 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-19 21:06:43,390 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-19 21:06:43,390 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,390 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:06:43,390 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:06:43,390 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:43,390 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-19 21:06:43,390 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-19 21:06:43,391 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 21:06:43,391 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-07-19 21:06:43,391 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-19 21:06:43,391 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-07-19 21:06:43,391 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-07-19 21:06:43,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:06:43 BoogieIcfgContainer [2020-07-19 21:06:43,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:06:43,412 INFO L168 Benchmark]: Toolchain (without parser) took 66121.18 ms. Allocated memory was 137.9 MB in the beginning and 771.2 MB in the end (delta: 633.3 MB). Free memory was 99.9 MB in the beginning and 536.9 MB in the end (delta: -437.0 MB). Peak memory consumption was 657.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,413 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.11 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.7 MB in the beginning and 174.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,414 INFO L168 Benchmark]: Boogie Preprocessor took 92.43 ms. Allocated memory is still 205.5 MB. Free memory was 174.8 MB in the beginning and 170.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,415 INFO L168 Benchmark]: RCFGBuilder took 1174.19 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 170.8 MB in the beginning and 198.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,415 INFO L168 Benchmark]: TraceAbstraction took 64136.03 ms. Allocated memory was 235.9 MB in the beginning and 771.2 MB in the end (delta: 535.3 MB). Free memory was 196.8 MB in the beginning and 536.9 MB in the end (delta: -340.1 MB). Peak memory consumption was 655.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:43,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.11 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.7 MB in the beginning and 174.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.43 ms. Allocated memory is still 205.5 MB. Free memory was 174.8 MB in the beginning and 170.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.19 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 170.8 MB in the beginning and 198.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64136.03 ms. Allocated memory was 235.9 MB in the beginning and 771.2 MB in the end (delta: 535.3 MB). Free memory was 196.8 MB in the beginning and 536.9 MB in the end (delta: -340.1 MB). Peak memory consumption was 655.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 34.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1434 SDtfs, 3410 SDslu, 2344 SDs, 0 SdLazy, 7935 SolverSat, 2373 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1016 GetRequests, 812 SyntacticMatches, 3 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 741 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1833 PreInvPairs, 1907 NumberOfFragments, 2078 HoareAnnotationTreeSize, 1833 FomulaSimplifications, 10806464 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 186704 FormulaSimplificationTreeSizeReductionInter, 15.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1505 NumberOfCodeBlocks, 1505 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 589962 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 564/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...