java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:07:37,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:07:37,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:07:37,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:07:37,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:07:37,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:07:37,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:07:37,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:07:37,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:07:37,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:07:37,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:07:37,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:07:37,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:07:37,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:07:37,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:07:37,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:07:37,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:07:37,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:07:37,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:07:37,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:07:37,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:07:37,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:07:37,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:07:37,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:07:37,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:07:37,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:07:37,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:07:37,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:07:37,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:07:37,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:07:37,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:07:37,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:07:37,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:07:37,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:07:37,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:07:37,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:07:37,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:07:37,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:07:37,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:07:37,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:07:37,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:07:37,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:07:37,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:07:37,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:07:37,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:07:37,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:07:37,239 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:07:37,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:07:37,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:07:37,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:07:37,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:07:37,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:07:37,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:07:37,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:07:37,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:07:37,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:07:37,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:07:37,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:07:37,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:07:37,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:07:37,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:07:37,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:07:37,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:07:37,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:07:37,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:07:37,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:07:37,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:07:37,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:07:37,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:07:37,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:07:37,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:07:37,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:07:37,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:07:37,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:07:37,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:07:37,330 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:07:37,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-20 13:07:37,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a0e4aeb/1d5450a8e36744929934e72d259df0ae/FLAGa38178e65 [2019-09-20 13:07:37,950 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:07:37,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-20 13:07:37,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a0e4aeb/1d5450a8e36744929934e72d259df0ae/FLAGa38178e65 [2019-09-20 13:07:38,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a0e4aeb/1d5450a8e36744929934e72d259df0ae [2019-09-20 13:07:38,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:07:38,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:07:38,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:07:38,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:07:38,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:07:38,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382f38cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38, skipping insertion in model container [2019-09-20 13:07:38,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:07:38,344 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:07:38,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:07:38,786 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:07:38,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:07:38,917 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:07:38,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38 WrapperNode [2019-09-20 13:07:38,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:07:38,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:07:38,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:07:38,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:07:38,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:38,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (1/1) ... [2019-09-20 13:07:39,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:07:39,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:07:39,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:07:39,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:07:39,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (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 [2019-09-20 13:07:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:07:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:07:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:07:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:07:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:07:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:07:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:07:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:07:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:07:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:07:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:07:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:07:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:07:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:07:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:07:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:07:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:07:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:07:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:07:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:07:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:07:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:07:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:07:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:07:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:07:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:07:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:07:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:07:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:07:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:07:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:07:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:07:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:07:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:07:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:07:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:07:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:07:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:07:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:07:40,177 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:07:40,178 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:07:40,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:07:40 BoogieIcfgContainer [2019-09-20 13:07:40,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:07:40,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:07:40,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:07:40,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:07:40,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:07:38" (1/3) ... [2019-09-20 13:07:40,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb01d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:07:40, skipping insertion in model container [2019-09-20 13:07:40,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:38" (2/3) ... [2019-09-20 13:07:40,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb01d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:07:40, skipping insertion in model container [2019-09-20 13:07:40,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:07:40" (3/3) ... [2019-09-20 13:07:40,194 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2019-09-20 13:07:40,206 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:07:40,218 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:07:40,236 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:07:40,282 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:07:40,283 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:07:40,283 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:07:40,283 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:07:40,284 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:07:40,284 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:07:40,285 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:07:40,285 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:07:40,285 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:07:40,313 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2019-09-20 13:07:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:07:40,328 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:40,329 INFO L407 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] [2019-09-20 13:07:40,332 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:40,339 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2019-09-20 13:07:40,340 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:40,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:40,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:40,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:40,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:40,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:40,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:07:40,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:07:40,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:07:40,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:07:40,739 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2019-09-20 13:07:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:40,807 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2019-09-20 13:07:40,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:07:40,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:07:40,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:40,823 INFO L225 Difference]: With dead ends: 272 [2019-09-20 13:07:40,823 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:07:40,828 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:07:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:07:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:07:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:07:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2019-09-20 13:07:40,882 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2019-09-20 13:07:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:40,882 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2019-09-20 13:07:40,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:07:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2019-09-20 13:07:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:07:40,887 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:40,888 INFO L407 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] [2019-09-20 13:07:40,888 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:40,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:40,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2019-09-20 13:07:40,889 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:40,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:40,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:41,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:41,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:07:41,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:07:41,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:07:41,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:41,059 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2019-09-20 13:07:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:41,092 INFO L93 Difference]: Finished difference Result 248 states and 299 transitions. [2019-09-20 13:07:41,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:07:41,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-20 13:07:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:41,096 INFO L225 Difference]: With dead ends: 248 [2019-09-20 13:07:41,097 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:07:41,102 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:41,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:07:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:07:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:07:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-09-20 13:07:41,119 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 64 [2019-09-20 13:07:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:41,122 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-09-20 13:07:41,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:07:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-09-20 13:07:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-20 13:07:41,128 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:41,128 INFO L407 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] [2019-09-20 13:07:41,128 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:41,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:41,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1442070676, now seen corresponding path program 1 times [2019-09-20 13:07:41,129 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:41,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:41,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:41,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:41,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:41,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:07:41,279 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:07:41,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:07:41,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:41,282 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-09-20 13:07:41,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:41,306 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-09-20 13:07:41,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:07:41,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-09-20 13:07:41,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:41,309 INFO L225 Difference]: With dead ends: 221 [2019-09-20 13:07:41,309 INFO L226 Difference]: Without dead ends: 129 [2019-09-20 13:07:41,310 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:41,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-20 13:07:41,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-09-20 13:07:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-20 13:07:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-09-20 13:07:41,325 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 73 [2019-09-20 13:07:41,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:41,325 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-09-20 13:07:41,325 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:07:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-09-20 13:07:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:07:41,328 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:41,328 INFO L407 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] [2019-09-20 13:07:41,328 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:41,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:41,329 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2019-09-20 13:07:41,329 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:41,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:41,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:41,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:41,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:41,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:41,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:07:41,490 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:07:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:07:41,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:07:41,491 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 5 states. [2019-09-20 13:07:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:42,105 INFO L93 Difference]: Finished difference Result 331 states and 401 transitions. [2019-09-20 13:07:42,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:07:42,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-20 13:07:42,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:42,112 INFO L225 Difference]: With dead ends: 331 [2019-09-20 13:07:42,114 INFO L226 Difference]: Without dead ends: 230 [2019-09-20 13:07:42,118 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:07:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-09-20 13:07:42,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2019-09-20 13:07:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-20 13:07:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2019-09-20 13:07:42,147 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2019-09-20 13:07:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:42,148 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2019-09-20 13:07:42,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:07:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2019-09-20 13:07:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-20 13:07:42,150 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:42,150 INFO L407 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] [2019-09-20 13:07:42,150 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:42,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:42,151 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2019-09-20 13:07:42,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:42,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:42,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:07:42,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:42,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:07:42,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:07:42,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:07:42,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:07:42,309 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 7 states. [2019-09-20 13:07:43,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:43,171 INFO L93 Difference]: Finished difference Result 413 states and 491 transitions. [2019-09-20 13:07:43,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:07:43,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-09-20 13:07:43,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:43,174 INFO L225 Difference]: With dead ends: 413 [2019-09-20 13:07:43,174 INFO L226 Difference]: Without dead ends: 229 [2019-09-20 13:07:43,176 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:07:43,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-09-20 13:07:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2019-09-20 13:07:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-09-20 13:07:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2019-09-20 13:07:43,197 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2019-09-20 13:07:43,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:43,197 INFO L475 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2019-09-20 13:07:43,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:07:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2019-09-20 13:07:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:07:43,199 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:43,199 INFO L407 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] [2019-09-20 13:07:43,199 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:43,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2019-09-20 13:07:43,200 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:43,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:43,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:43,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:43,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:43,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:07:43,297 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:07:43,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:07:43,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:07:43,298 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 6 states. [2019-09-20 13:07:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:43,349 INFO L93 Difference]: Finished difference Result 399 states and 464 transitions. [2019-09-20 13:07:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:07:43,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-09-20 13:07:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:43,353 INFO L225 Difference]: With dead ends: 399 [2019-09-20 13:07:43,354 INFO L226 Difference]: Without dead ends: 216 [2019-09-20 13:07:43,355 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:07:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-09-20 13:07:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-09-20 13:07:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-20 13:07:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2019-09-20 13:07:43,373 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2019-09-20 13:07:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:43,374 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2019-09-20 13:07:43,374 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:07:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2019-09-20 13:07:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:07:43,376 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:43,376 INFO L407 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] [2019-09-20 13:07:43,376 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:43,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2019-09-20 13:07:43,377 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:43,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:43,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:43,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:43,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:43,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:07:43,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:07:43,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:07:43,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:07:43,462 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2019-09-20 13:07:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:43,499 INFO L93 Difference]: Finished difference Result 411 states and 481 transitions. [2019-09-20 13:07:43,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:07:43,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-09-20 13:07:43,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:43,501 INFO L225 Difference]: With dead ends: 411 [2019-09-20 13:07:43,502 INFO L226 Difference]: Without dead ends: 223 [2019-09-20 13:07:43,503 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:07:43,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-09-20 13:07:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2019-09-20 13:07:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-20 13:07:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2019-09-20 13:07:43,519 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2019-09-20 13:07:43,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:43,520 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2019-09-20 13:07:43,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:07:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2019-09-20 13:07:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:07:43,521 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:43,522 INFO L407 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] [2019-09-20 13:07:43,522 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:43,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2019-09-20 13:07:43,523 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:43,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:43,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:43,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:43,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:43,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:07:43,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:07:43,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:07:43,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:07:43,628 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 4 states. [2019-09-20 13:07:43,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:43,903 INFO L93 Difference]: Finished difference Result 639 states and 763 transitions. [2019-09-20 13:07:43,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:07:43,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-09-20 13:07:43,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:43,912 INFO L225 Difference]: With dead ends: 639 [2019-09-20 13:07:43,912 INFO L226 Difference]: Without dead ends: 447 [2019-09-20 13:07:43,916 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:07:43,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-09-20 13:07:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 438. [2019-09-20 13:07:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2019-09-20 13:07:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 512 transitions. [2019-09-20 13:07:43,963 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 512 transitions. Word has length 92 [2019-09-20 13:07:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:43,964 INFO L475 AbstractCegarLoop]: Abstraction has 438 states and 512 transitions. [2019-09-20 13:07:43,964 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:07:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 512 transitions. [2019-09-20 13:07:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-20 13:07:43,967 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:43,967 INFO L407 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] [2019-09-20 13:07:43,968 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:43,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:43,968 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2019-09-20 13:07:43,968 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:43,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:43,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:43,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:43,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:44,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:44,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:07:44,177 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:07:44,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:07:44,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:07:44,178 INFO L87 Difference]: Start difference. First operand 438 states and 512 transitions. Second operand 9 states. [2019-09-20 13:07:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:45,110 INFO L93 Difference]: Finished difference Result 1143 states and 1401 transitions. [2019-09-20 13:07:45,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-20 13:07:45,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-09-20 13:07:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:45,117 INFO L225 Difference]: With dead ends: 1143 [2019-09-20 13:07:45,117 INFO L226 Difference]: Without dead ends: 801 [2019-09-20 13:07:45,120 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:07:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2019-09-20 13:07:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 728. [2019-09-20 13:07:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-09-20 13:07:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 841 transitions. [2019-09-20 13:07:45,182 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 841 transitions. Word has length 96 [2019-09-20 13:07:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:45,206 INFO L475 AbstractCegarLoop]: Abstraction has 728 states and 841 transitions. [2019-09-20 13:07:45,207 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:07:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 841 transitions. [2019-09-20 13:07:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:07:45,209 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:45,209 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:45,210 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:45,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:45,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2019-09-20 13:07:45,210 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:45,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:45,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:45,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:45,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:07:45,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:45,353 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:45,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:45,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-20 13:07:45,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:07:45,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:45,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-20 13:07:45,772 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:07:45,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:07:45,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:07:45,773 INFO L87 Difference]: Start difference. First operand 728 states and 841 transitions. Second operand 16 states. [2019-09-20 13:07:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:47,105 INFO L93 Difference]: Finished difference Result 1628 states and 1961 transitions. [2019-09-20 13:07:47,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:07:47,106 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2019-09-20 13:07:47,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:47,113 INFO L225 Difference]: With dead ends: 1628 [2019-09-20 13:07:47,114 INFO L226 Difference]: Without dead ends: 994 [2019-09-20 13:07:47,117 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:07:47,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2019-09-20 13:07:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 874. [2019-09-20 13:07:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-09-20 13:07:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1021 transitions. [2019-09-20 13:07:47,193 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1021 transitions. Word has length 157 [2019-09-20 13:07:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:47,194 INFO L475 AbstractCegarLoop]: Abstraction has 874 states and 1021 transitions. [2019-09-20 13:07:47,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:07:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1021 transitions. [2019-09-20 13:07:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-09-20 13:07:47,199 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:47,200 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:07:47,200 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:47,201 INFO L82 PathProgramCache]: Analyzing trace with hash -611993489, now seen corresponding path program 1 times [2019-09-20 13:07:47,201 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:47,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:47,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:47,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:47,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-09-20 13:07:47,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:47,382 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:47,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:47,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:07:47,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:47,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:47,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-09-20 13:07:47,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:07:47,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:07:47,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:07:47,881 INFO L87 Difference]: Start difference. First operand 874 states and 1021 transitions. Second operand 16 states. [2019-09-20 13:07:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:50,179 INFO L93 Difference]: Finished difference Result 2206 states and 2970 transitions. [2019-09-20 13:07:50,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-20 13:07:50,180 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 277 [2019-09-20 13:07:50,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:50,189 INFO L225 Difference]: With dead ends: 2206 [2019-09-20 13:07:50,189 INFO L226 Difference]: Without dead ends: 1379 [2019-09-20 13:07:50,194 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-09-20 13:07:50,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2019-09-20 13:07:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 963. [2019-09-20 13:07:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-09-20 13:07:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1100 transitions. [2019-09-20 13:07:50,265 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1100 transitions. Word has length 277 [2019-09-20 13:07:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:50,266 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1100 transitions. [2019-09-20 13:07:50,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:07:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1100 transitions. [2019-09-20 13:07:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-20 13:07:50,272 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:50,273 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:50,273 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:50,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:50,273 INFO L82 PathProgramCache]: Analyzing trace with hash -883700725, now seen corresponding path program 1 times [2019-09-20 13:07:50,274 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:50,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:50,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:50,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:50,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-09-20 13:07:50,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:50,526 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:50,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:50,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-20 13:07:50,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-20 13:07:50,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:50,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-09-20 13:07:50,971 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-20 13:07:50,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-20 13:07:50,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-20 13:07:50,972 INFO L87 Difference]: Start difference. First operand 963 states and 1100 transitions. Second operand 20 states. [2019-09-20 13:07:52,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:52,797 INFO L93 Difference]: Finished difference Result 1815 states and 2088 transitions. [2019-09-20 13:07:52,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-20 13:07:52,797 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2019-09-20 13:07:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:52,803 INFO L225 Difference]: With dead ends: 1815 [2019-09-20 13:07:52,804 INFO L226 Difference]: Without dead ends: 965 [2019-09-20 13:07:52,807 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:07:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-09-20 13:07:52,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2019-09-20 13:07:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-09-20 13:07:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1096 transitions. [2019-09-20 13:07:52,877 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1096 transitions. Word has length 289 [2019-09-20 13:07:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:52,880 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1096 transitions. [2019-09-20 13:07:52,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-20 13:07:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1096 transitions. [2019-09-20 13:07:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-09-20 13:07:52,888 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:52,889 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:52,889 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:52,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:52,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2086447840, now seen corresponding path program 1 times [2019-09-20 13:07:52,890 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:52,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:52,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:52,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:52,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-09-20 13:07:53,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:53,192 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:53,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:53,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 28 conjunts are in the unsatisfiable core [2019-09-20 13:07:53,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:53,661 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:53,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-09-20 13:07:53,662 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-20 13:07:53,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-20 13:07:53,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:07:53,663 INFO L87 Difference]: Start difference. First operand 963 states and 1096 transitions. Second operand 14 states. [2019-09-20 13:07:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:56,044 INFO L93 Difference]: Finished difference Result 2070 states and 2554 transitions. [2019-09-20 13:07:56,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-20 13:07:56,045 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2019-09-20 13:07:56,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:56,055 INFO L225 Difference]: With dead ends: 2070 [2019-09-20 13:07:56,055 INFO L226 Difference]: Without dead ends: 1530 [2019-09-20 13:07:56,059 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:07:56,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2019-09-20 13:07:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1197. [2019-09-20 13:07:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2019-09-20 13:07:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1368 transitions. [2019-09-20 13:07:56,145 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1368 transitions. Word has length 290 [2019-09-20 13:07:56,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:56,147 INFO L475 AbstractCegarLoop]: Abstraction has 1197 states and 1368 transitions. [2019-09-20 13:07:56,147 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-20 13:07:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1368 transitions. [2019-09-20 13:07:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-09-20 13:07:56,155 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:56,155 INFO L407 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:56,155 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:56,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:56,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1251062974, now seen corresponding path program 1 times [2019-09-20 13:07:56,156 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:56,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:56,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:56,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:56,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 146 proven. 57 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2019-09-20 13:07:56,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:56,695 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:56,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:57,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:07:57,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:57,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:07:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 352 proven. 16 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-20 13:07:57,371 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:57,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 23 [2019-09-20 13:07:57,372 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-20 13:07:57,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-20 13:07:57,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:07:57,373 INFO L87 Difference]: Start difference. First operand 1197 states and 1368 transitions. Second operand 23 states. [2019-09-20 13:08:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:02,873 INFO L93 Difference]: Finished difference Result 3359 states and 3981 transitions. [2019-09-20 13:08:02,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-09-20 13:08:02,873 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 358 [2019-09-20 13:08:02,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:02,887 INFO L225 Difference]: With dead ends: 3359 [2019-09-20 13:08:02,888 INFO L226 Difference]: Without dead ends: 2177 [2019-09-20 13:08:02,893 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=631, Invalid=3925, Unknown=0, NotChecked=0, Total=4556 [2019-09-20 13:08:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2019-09-20 13:08:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1881. [2019-09-20 13:08:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2019-09-20 13:08:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2154 transitions. [2019-09-20 13:08:03,024 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2154 transitions. Word has length 358 [2019-09-20 13:08:03,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:03,025 INFO L475 AbstractCegarLoop]: Abstraction has 1881 states and 2154 transitions. [2019-09-20 13:08:03,025 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-20 13:08:03,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2154 transitions. [2019-09-20 13:08:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-20 13:08:03,042 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:03,043 INFO L407 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:03,043 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:03,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1551187369, now seen corresponding path program 1 times [2019-09-20 13:08:03,044 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:03,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:03,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:03,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:03,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 138 proven. 28 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2019-09-20 13:08:03,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:03,384 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:08:03,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:03,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:08:03,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2019-09-20 13:08:03,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:08:03,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:08:03,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:08:03,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:08:03,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:08:03,784 INFO L87 Difference]: Start difference. First operand 1881 states and 2154 transitions. Second operand 13 states. [2019-09-20 13:08:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:03,840 INFO L93 Difference]: Finished difference Result 2131 states and 2433 transitions. [2019-09-20 13:08:03,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:08:03,840 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 430 [2019-09-20 13:08:03,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:03,841 INFO L225 Difference]: With dead ends: 2131 [2019-09-20 13:08:03,841 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:08:03,848 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:08:03,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:08:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:08:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:08:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:08:03,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2019-09-20 13:08:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:03,850 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:08:03,850 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:08:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:08:03,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:08:03,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:08:04,998 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-09-20 13:08:05,490 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2019-09-20 13:08:05,624 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-20 13:08:05,871 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-09-20 13:08:06,113 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-20 13:08:06,229 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-09-20 13:08:06,789 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2019-09-20 13:08:07,015 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2019-09-20 13:08:07,170 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 1 [2019-09-20 13:08:07,480 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-20 13:08:07,620 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 27 [2019-09-20 13:08:07,847 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 22 [2019-09-20 13:08:08,023 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2019-09-20 13:08:08,383 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2019-09-20 13:08:08,521 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-09-20 13:08:08,650 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-09-20 13:08:08,941 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2019-09-20 13:08:09,339 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-09-20 13:08:09,510 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 24 [2019-09-20 13:08:09,790 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-09-20 13:08:09,935 INFO L443 ceAbstractionStarter]: For program point L668(lines 645 669) no Hoare annotation was computed. [2019-09-20 13:08:09,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L729(lines 702 730) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2019-09-20 13:08:09,936 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2019-09-20 13:08:09,937 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2019-09-20 13:08:09,938 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2019-09-20 13:08:09,938 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2019-09-20 13:08:09,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2019-09-20 13:08:09,938 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse1 .cse2) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2))) [2019-09-20 13:08:09,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2019-09-20 13:08:09,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2019-09-20 13:08:09,939 INFO L443 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2019-09-20 13:08:09,939 INFO L443 ceAbstractionStarter]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2019-09-20 13:08:09,939 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-09-20 13:08:09,939 INFO L443 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2019-09-20 13:08:09,939 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2019-09-20 13:08:09,939 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2019-09-20 13:08:09,939 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse3 .cse1) (or .cse2 .cse4 .cse0 .cse1) (or .cse2 .cse4 .cse3 .cse1))) [2019-09-20 13:08:09,940 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-09-20 13:08:09,940 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 976) no Hoare annotation was computed. [2019-09-20 13:08:09,940 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (let ((.cse1 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse5 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4))) [2019-09-20 13:08:09,940 INFO L443 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2019-09-20 13:08:09,940 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 979) no Hoare annotation was computed. [2019-09-20 13:08:09,940 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,940 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2019-09-20 13:08:09,941 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2019-09-20 13:08:09,941 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,941 INFO L439 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,941 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 527) no Hoare annotation was computed. [2019-09-20 13:08:09,941 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2019-09-20 13:08:09,941 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-20 13:08:09,941 INFO L439 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,941 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,942 INFO L439 ceAbstractionStarter]: At program point L516-1(line 516) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2019-09-20 13:08:09,942 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-09-20 13:08:09,943 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2019-09-20 13:08:09,944 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2019-09-20 13:08:09,944 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 192) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 204) no Hoare annotation was computed. [2019-09-20 13:08:09,945 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 915) no Hoare annotation was computed. [2019-09-20 13:08:09,946 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 922) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2019-09-20 13:08:09,947 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,947 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2019-09-20 13:08:09,948 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2019-09-20 13:08:09,949 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= 1 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse3) .cse1))) [2019-09-20 13:08:09,949 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (or .cse3 (not (= ~waterLevel~0 2)) .cse2) .cse0))) [2019-09-20 13:08:09,949 INFO L443 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:08:09,949 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or (or (or .cse3 (not (= ~waterLevel~0 2)) .cse2) .cse0) .cse4) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 .cse4 .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse4 .cse1))) [2019-09-20 13:08:09,950 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse3) .cse1))) [2019-09-20 13:08:09,950 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-09-20 13:08:09,950 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse2 (and .cse0 (= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:08:09,950 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-09-20 13:08:09,950 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2019-09-20 13:08:09,950 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (and .cse0 (= 1 ~waterLevel~0))) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:08:09,950 INFO L439 ceAbstractionStarter]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 271) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L439 ceAbstractionStarter]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L439 ceAbstractionStarter]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse2 (and .cse0 (= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 310) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 306) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 869) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 876) no Hoare annotation was computed. [2019-09-20 13:08:09,951 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 784) no Hoare annotation was computed. [2019-09-20 13:08:09,952 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L789(lines 788 808) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 826) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-09-20 13:08:09,953 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 767) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 838) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point L809(lines 787 810) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,954 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~waterLevel~0 2)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:08:09,955 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L446 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2019-09-20 13:08:09,955 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-09-20 13:08:09,955 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2019-09-20 13:08:09,956 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2019-09-20 13:08:09,956 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2019-09-20 13:08:09,956 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2019-09-20 13:08:09,957 INFO L439 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse2 .cse0 .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2019-09-20 13:08:09,957 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-09-20 13:08:09,958 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-09-20 13:08:09,958 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and .cse0 .cse1) (or .cse2 .cse3 .cse4)) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse4) (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse5 .cse4) (or .cse2 (and .cse1 .cse0) .cse5 .cse4) (or (or (or .cse3 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse1)))) [2019-09-20 13:08:09,958 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-09-20 13:08:09,958 INFO L439 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or (and (and .cse0 (= 2 ~waterLevel~0)) .cse1) (or .cse2 .cse3 .cse4)) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or (or .cse3 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (< 0 ~waterLevel~0))))) [2019-09-20 13:08:09,958 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-09-20 13:08:09,958 INFO L439 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse0))) (and (or (and (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (= ~pumpRunning~0 1) .cse5) (or .cse4 .cse1 .cse2) .cse3)))) [2019-09-20 13:08:09,959 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-09-20 13:08:09,959 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2019-09-20 13:08:09,959 INFO L446 ceAbstractionStarter]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2019-09-20 13:08:09,959 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-09-20 13:08:09,959 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2019-09-20 13:08:09,959 INFO L446 ceAbstractionStarter]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2019-09-20 13:08:09,959 INFO L446 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: true [2019-09-20 13:08:09,959 INFO L443 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L446 ceAbstractionStarter]: At program point L459(lines 434 463) the Hoare annotation is: true [2019-09-20 13:08:09,960 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (or (or (or (not (<= 1 ~systemActive~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (not (= 1 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:08:09,960 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2019-09-20 13:08:09,960 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,960 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-09-20 13:08:09,961 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:08:09,961 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:09,961 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:08:09,961 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:08:09,961 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-09-20 13:08:09,961 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-09-20 13:08:09,961 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2019-09-20 13:08:09,961 INFO L439 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse2) .cse1))) [2019-09-20 13:08:09,962 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-09-20 13:08:09,962 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or (or .cse1 (not (= ~waterLevel~0 2)) .cse2) .cse3)) (or .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse0 .cse2))) [2019-09-20 13:08:09,962 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse2) .cse1) (= ~pumpRunning~0 0)))) [2019-09-20 13:08:09,962 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-09-20 13:08:09,962 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2019-09-20 13:08:09,962 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or .cse0 (or (not (= |old(~waterLevel~0)| 1)) .cse2) .cse1) (or .cse2 .cse0 (not (= 1 ~pumpRunning~0)) .cse3))) [2019-09-20 13:08:09,962 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2019-09-20 13:08:09,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-09-20 13:08:09,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2019-09-20 13:08:09,963 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2019-09-20 13:08:09,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2019-09-20 13:08:09,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:08:09 BoogieIcfgContainer [2019-09-20 13:08:09,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:08:09,982 INFO L168 Benchmark]: Toolchain (without parser) took 31708.08 ms. Allocated memory was 139.5 MB in the beginning and 708.3 MB in the end (delta: 568.9 MB). Free memory was 86.7 MB in the beginning and 122.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 589.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,983 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.51 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 164.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,985 INFO L168 Benchmark]: Boogie Preprocessor took 82.61 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,985 INFO L168 Benchmark]: RCFGBuilder took 1177.26 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 189.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,986 INFO L168 Benchmark]: TraceAbstraction took 29798.22 ms. Allocated memory was 223.3 MB in the beginning and 708.3 MB in the end (delta: 485.0 MB). Free memory was 189.5 MB in the beginning and 122.1 MB in the end (delta: 67.5 MB). Peak memory consumption was 608.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:09,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.51 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 164.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.61 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.26 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 189.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29798.22 ms. Allocated memory was 223.3 MB in the beginning and 708.3 MB in the end (delta: 485.0 MB). Free memory was 189.5 MB in the beginning and 122.1 MB in the end (delta: 67.5 MB). Peak memory consumption was 608.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == 2) && pumpRunning == 1)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || ((0 == splverifierCounter && \old(waterLevel) == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. SAFE Result, 29.6s OverallTime, 15 OverallIterations, 11 TraceHistogramMax, 16.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2919 SDtfs, 4816 SDslu, 9281 SDs, 0 SdLazy, 12511 SolverSat, 3103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2138 GetRequests, 1885 SyntacticMatches, 5 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1881occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2925 PreInvPairs, 2977 NumberOfFragments, 1613 HoareAnnotationTreeSize, 2925 FomulaSimplifications, 30332 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 61 FomulaSimplificationsInter, 31057 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 4338 NumberOfCodeBlocks, 4338 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4317 ConstructedInterpolants, 0 QuantifiedInterpolants, 1758539 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7590 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4411/4669 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...