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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:39:12,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:39:12,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:39:12,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:39:12,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:39:12,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:39:12,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:39:12,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:39:12,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:39:12,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:39:12,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:39:12,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:39:12,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:39:12,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:39:12,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:39:12,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:39:12,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:39:12,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:39:12,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:39:12,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:39:12,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:39:12,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:39:12,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:39:12,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:39:12,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:39:12,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:39:12,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:39:12,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:39:12,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:39:12,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:39:12,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:39:12,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:39:12,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:39:12,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:39:12,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:39:12,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:39:12,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:39:12,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:39:12,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:39:12,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:39:12,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:39:12,335 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 [2019-09-16 16:39:12,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:39:12,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:39:12,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:39:12,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:39:12,377 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:39:12,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:39:12,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:39:12,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:39:12,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:39:12,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:39:12,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:39:12,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:39:12,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:39:12,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:39:12,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:39:12,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:39:12,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:39:12,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:39:12,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:39:12,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:39:12,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:39:12,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:39:12,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:39:12,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:39:12,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:39:12,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:39:12,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:39:12,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:39:12,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:39:12,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:39:12,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:39:12,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:39:12,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:39:12,449 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:39:12,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-16 16:39:12,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f70a1c7/6de2cf0f294544119940f7c6ee9a3b5f/FLAGb6c2d297d [2019-09-16 16:39:13,021 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:39:13,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-16 16:39:13,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f70a1c7/6de2cf0f294544119940f7c6ee9a3b5f/FLAGb6c2d297d [2019-09-16 16:39:13,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f70a1c7/6de2cf0f294544119940f7c6ee9a3b5f [2019-09-16 16:39:13,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:39:13,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:39:13,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:39:13,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:39:13,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:39:13,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:39:13" (1/1) ... [2019-09-16 16:39:13,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:13, skipping insertion in model container [2019-09-16 16:39:13,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:39:13" (1/1) ... [2019-09-16 16:39:13,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:39:13,475 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:39:13,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:39:13,891 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:39:14,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:39:14,051 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:39:14,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14 WrapperNode [2019-09-16 16:39:14,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:39:14,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:39:14,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:39:14,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:39:14,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (1/1) ... [2019-09-16 16:39:14,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:39:14,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:39:14,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:39:14,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:39:14,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (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 [2019-09-16 16:39:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:39:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:39:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:39:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:39:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:39:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:39:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:39:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:39:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:39:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:39:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:39:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:39:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:39:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:39:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:39:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:39:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:39:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:39:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:39:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:39:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:39:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:39:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:39:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:39:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:39:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:39:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:39:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:39:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:39:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:39:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:39:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:39:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:39:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:39:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:39:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:39:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:39:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:39:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:39:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:39:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:39:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:39:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:39:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:39:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:39:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:39:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:39:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:39:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:39:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:39:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:39:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:39:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:39:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:39:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:39:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:39:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:39:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:39:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:39:15,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:39:15,278 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:39:15,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:39:15 BoogieIcfgContainer [2019-09-16 16:39:15,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:39:15,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:39:15,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:39:15,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:39:15,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:39:13" (1/3) ... [2019-09-16 16:39:15,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e7c860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:39:15, skipping insertion in model container [2019-09-16 16:39:15,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:39:14" (2/3) ... [2019-09-16 16:39:15,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e7c860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:39:15, skipping insertion in model container [2019-09-16 16:39:15,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:39:15" (3/3) ... [2019-09-16 16:39:15,290 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-09-16 16:39:15,300 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:39:15,309 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:39:15,325 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:39:15,354 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:39:15,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:39:15,355 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:39:15,355 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:39:15,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:39:15,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:39:15,356 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:39:15,356 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:39:15,356 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:39:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-09-16 16:39:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 16:39:15,389 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:15,390 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] [2019-09-16 16:39:15,392 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:15,398 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2019-09-16 16:39:15,400 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:15,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:15,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:15,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:15,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:15,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:15,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:39:15,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:39:15,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:39:15,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:39:15,791 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-09-16 16:39:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:15,834 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2019-09-16 16:39:15,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:39:15,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-16 16:39:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:15,849 INFO L225 Difference]: With dead ends: 302 [2019-09-16 16:39:15,849 INFO L226 Difference]: Without dead ends: 153 [2019-09-16 16:39:15,854 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 [2019-09-16 16:39:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-16 16:39:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-16 16:39:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-16 16:39:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2019-09-16 16:39:15,908 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2019-09-16 16:39:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:15,912 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2019-09-16 16:39:15,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:39:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2019-09-16 16:39:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 16:39:15,918 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:15,920 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] [2019-09-16 16:39:15,920 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2019-09-16 16:39:15,921 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:15,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:15,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:15,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:15,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:16,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:16,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:39:16,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:39:16,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:39:16,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:39:16,162 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 7 states. [2019-09-16 16:39:16,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:16,558 INFO L93 Difference]: Finished difference Result 278 states and 331 transitions. [2019-09-16 16:39:16,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:39:16,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-16 16:39:16,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:16,562 INFO L225 Difference]: With dead ends: 278 [2019-09-16 16:39:16,562 INFO L226 Difference]: Without dead ends: 153 [2019-09-16 16:39:16,564 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:39:16,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-16 16:39:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-16 16:39:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-16 16:39:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2019-09-16 16:39:16,588 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 64 [2019-09-16 16:39:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:16,590 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2019-09-16 16:39:16,590 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:39:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2019-09-16 16:39:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-16 16:39:16,593 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:16,593 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] [2019-09-16 16:39:16,594 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:16,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:16,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2019-09-16 16:39:16,594 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:16,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:16,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:16,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:16,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:16,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:16,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:39:16,755 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:39:16,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:39:16,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:39:16,756 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 5 states. [2019-09-16 16:39:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:17,457 INFO L93 Difference]: Finished difference Result 419 states and 529 transitions. [2019-09-16 16:39:17,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:39:17,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-16 16:39:17,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:17,464 INFO L225 Difference]: With dead ends: 419 [2019-09-16 16:39:17,465 INFO L226 Difference]: Without dead ends: 294 [2019-09-16 16:39:17,468 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 [2019-09-16 16:39:17,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-16 16:39:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 259. [2019-09-16 16:39:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-09-16 16:39:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 309 transitions. [2019-09-16 16:39:17,531 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 309 transitions. Word has length 77 [2019-09-16 16:39:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:17,532 INFO L475 AbstractCegarLoop]: Abstraction has 259 states and 309 transitions. [2019-09-16 16:39:17,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:39:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 309 transitions. [2019-09-16 16:39:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-16 16:39:17,543 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:17,543 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] [2019-09-16 16:39:17,543 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:17,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2019-09-16 16:39:17,544 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:17,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:17,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:17,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:17,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:39:17,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:17,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:39:17,706 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:39:17,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:39:17,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:39:17,707 INFO L87 Difference]: Start difference. First operand 259 states and 309 transitions. Second operand 7 states. [2019-09-16 16:39:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:18,413 INFO L93 Difference]: Finished difference Result 514 states and 639 transitions. [2019-09-16 16:39:18,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:39:18,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-09-16 16:39:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:18,416 INFO L225 Difference]: With dead ends: 514 [2019-09-16 16:39:18,417 INFO L226 Difference]: Without dead ends: 283 [2019-09-16 16:39:18,418 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 [2019-09-16 16:39:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-09-16 16:39:18,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2019-09-16 16:39:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-09-16 16:39:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 306 transitions. [2019-09-16 16:39:18,442 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 306 transitions. Word has length 91 [2019-09-16 16:39:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:18,443 INFO L475 AbstractCegarLoop]: Abstraction has 258 states and 306 transitions. [2019-09-16 16:39:18,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:39:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 306 transitions. [2019-09-16 16:39:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-16 16:39:18,445 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:18,445 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:18,446 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:18,446 INFO L82 PathProgramCache]: Analyzing trace with hash 534241489, now seen corresponding path program 1 times [2019-09-16 16:39:18,446 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:18,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:18,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:18,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:18,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:18,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:39:18,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:39:18,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:39:18,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:39:18,533 INFO L87 Difference]: Start difference. First operand 258 states and 306 transitions. Second operand 3 states. [2019-09-16 16:39:18,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:18,548 INFO L93 Difference]: Finished difference Result 422 states and 483 transitions. [2019-09-16 16:39:18,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:39:18,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-16 16:39:18,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:18,551 INFO L225 Difference]: With dead ends: 422 [2019-09-16 16:39:18,552 INFO L226 Difference]: Without dead ends: 228 [2019-09-16 16:39:18,553 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 [2019-09-16 16:39:18,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-16 16:39:18,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-09-16 16:39:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-09-16 16:39:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2019-09-16 16:39:18,570 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 103 [2019-09-16 16:39:18,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:18,570 INFO L475 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2019-09-16 16:39:18,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:39:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2019-09-16 16:39:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-16 16:39:18,572 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:18,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:18,573 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:18,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:18,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1230791863, now seen corresponding path program 1 times [2019-09-16 16:39:18,574 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:18,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:18,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:18,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:18,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:18,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:39:18,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:39:18,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:39:18,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:39:18,656 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 6 states. [2019-09-16 16:39:18,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:18,705 INFO L93 Difference]: Finished difference Result 435 states and 506 transitions. [2019-09-16 16:39:18,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:39:18,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-09-16 16:39:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:18,710 INFO L225 Difference]: With dead ends: 435 [2019-09-16 16:39:18,710 INFO L226 Difference]: Without dead ends: 235 [2019-09-16 16:39:18,711 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 [2019-09-16 16:39:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-09-16 16:39:18,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2019-09-16 16:39:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-09-16 16:39:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2019-09-16 16:39:18,745 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 107 [2019-09-16 16:39:18,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:18,746 INFO L475 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2019-09-16 16:39:18,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:39:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2019-09-16 16:39:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-16 16:39:18,751 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:18,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:18,752 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:18,753 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2019-09-16 16:39:18,753 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:18,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:18,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:18,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:18,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:18,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:39:18,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:39:18,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:39:18,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:39:18,954 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 8 states. [2019-09-16 16:39:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:18,999 INFO L93 Difference]: Finished difference Result 445 states and 517 transitions. [2019-09-16 16:39:19,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:39:19,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-09-16 16:39:19,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:19,003 INFO L225 Difference]: With dead ends: 445 [2019-09-16 16:39:19,003 INFO L226 Difference]: Without dead ends: 240 [2019-09-16 16:39:19,004 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 [2019-09-16 16:39:19,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-09-16 16:39:19,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2019-09-16 16:39:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-09-16 16:39:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2019-09-16 16:39:19,021 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2019-09-16 16:39:19,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:19,022 INFO L475 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2019-09-16 16:39:19,022 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:39:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2019-09-16 16:39:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-16 16:39:19,025 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:19,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:19,025 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:19,026 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2019-09-16 16:39:19,026 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:19,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:19,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:19,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:19,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:19,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:19,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:39:19,112 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:39:19,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:39:19,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:39:19,114 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 4 states. [2019-09-16 16:39:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:19,338 INFO L93 Difference]: Finished difference Result 673 states and 799 transitions. [2019-09-16 16:39:19,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:39:19,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-09-16 16:39:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:19,342 INFO L225 Difference]: With dead ends: 673 [2019-09-16 16:39:19,342 INFO L226 Difference]: Without dead ends: 464 [2019-09-16 16:39:19,349 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:39:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-09-16 16:39:19,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 455. [2019-09-16 16:39:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-09-16 16:39:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 530 transitions. [2019-09-16 16:39:19,390 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 530 transitions. Word has length 107 [2019-09-16 16:39:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:19,391 INFO L475 AbstractCegarLoop]: Abstraction has 455 states and 530 transitions. [2019-09-16 16:39:19,391 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:39:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 530 transitions. [2019-09-16 16:39:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-16 16:39:19,395 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:19,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:19,396 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:19,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2019-09-16 16:39:19,396 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:19,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:19,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:19,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:19,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:39:19,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:39:19,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:39:19,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:39:19,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:39:19,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:39:19,578 INFO L87 Difference]: Start difference. First operand 455 states and 530 transitions. Second operand 9 states. [2019-09-16 16:39:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:20,636 INFO L93 Difference]: Finished difference Result 1194 states and 1455 transitions. [2019-09-16 16:39:20,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:39:20,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-09-16 16:39:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:20,641 INFO L225 Difference]: With dead ends: 1194 [2019-09-16 16:39:20,641 INFO L226 Difference]: Without dead ends: 835 [2019-09-16 16:39:20,643 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:39:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-09-16 16:39:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 762. [2019-09-16 16:39:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2019-09-16 16:39:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 877 transitions. [2019-09-16 16:39:20,686 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 877 transitions. Word has length 111 [2019-09-16 16:39:20,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:20,686 INFO L475 AbstractCegarLoop]: Abstraction has 762 states and 877 transitions. [2019-09-16 16:39:20,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:39:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 877 transitions. [2019-09-16 16:39:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-16 16:39:20,689 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:20,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:39:20,690 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:20,690 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2019-09-16 16:39:20,690 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:20,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:20,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:20,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:20,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 16:39:20,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:39:20,848 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 [2019-09-16 16:39:20,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:21,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-16 16:39:21,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:39:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:39:21,284 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:39:21,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-16 16:39:21,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:39:21,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:39:21,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:39:21,286 INFO L87 Difference]: Start difference. First operand 762 states and 877 transitions. Second operand 16 states. [2019-09-16 16:39:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:22,613 INFO L93 Difference]: Finished difference Result 1696 states and 2033 transitions. [2019-09-16 16:39:22,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-16 16:39:22,614 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2019-09-16 16:39:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:22,620 INFO L225 Difference]: With dead ends: 1696 [2019-09-16 16:39:22,620 INFO L226 Difference]: Without dead ends: 1028 [2019-09-16 16:39:22,623 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-09-16 16:39:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2019-09-16 16:39:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 908. [2019-09-16 16:39:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2019-09-16 16:39:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1057 transitions. [2019-09-16 16:39:22,682 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1057 transitions. Word has length 172 [2019-09-16 16:39:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:22,683 INFO L475 AbstractCegarLoop]: Abstraction has 908 states and 1057 transitions. [2019-09-16 16:39:22,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:39:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1057 transitions. [2019-09-16 16:39:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-09-16 16:39:22,689 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:22,689 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, 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] [2019-09-16 16:39:22,689 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:22,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:22,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1582300220, now seen corresponding path program 1 times [2019-09-16 16:39:22,690 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:22,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:22,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:22,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:22,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2019-09-16 16:39:22,928 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:39:22,928 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 [2019-09-16 16:39:22,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:23,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-16 16:39:23,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:39:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 216 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 [2019-09-16 16:39:23,456 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:39:23,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-09-16 16:39:23,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:39:23,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:39:23,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:39:23,464 INFO L87 Difference]: Start difference. First operand 908 states and 1057 transitions. Second operand 16 states. [2019-09-16 16:39:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:25,914 INFO L93 Difference]: Finished difference Result 2274 states and 3042 transitions. [2019-09-16 16:39:25,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-16 16:39:25,914 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 307 [2019-09-16 16:39:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:25,924 INFO L225 Difference]: With dead ends: 2274 [2019-09-16 16:39:25,924 INFO L226 Difference]: Without dead ends: 1413 [2019-09-16 16:39:25,928 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-09-16 16:39:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-09-16 16:39:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 997. [2019-09-16 16:39:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-09-16 16:39:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1136 transitions. [2019-09-16 16:39:26,018 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1136 transitions. Word has length 307 [2019-09-16 16:39:26,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:26,019 INFO L475 AbstractCegarLoop]: Abstraction has 997 states and 1136 transitions. [2019-09-16 16:39:26,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:39:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1136 transitions. [2019-09-16 16:39:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-09-16 16:39:26,028 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:26,028 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, 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] [2019-09-16 16:39:26,028 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:26,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:26,029 INFO L82 PathProgramCache]: Analyzing trace with hash -531060256, now seen corresponding path program 1 times [2019-09-16 16:39:26,029 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:26,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:26,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:26,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:26,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-16 16:39:26,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:39:26,366 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 [2019-09-16 16:39:26,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:26,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-16 16:39:26,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:39:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-16 16:39:26,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:39:26,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-09-16 16:39:26,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-16 16:39:26,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-16 16:39:26,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-16 16:39:26,785 INFO L87 Difference]: Start difference. First operand 997 states and 1136 transitions. Second operand 20 states. [2019-09-16 16:39:28,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:28,588 INFO L93 Difference]: Finished difference Result 1883 states and 2160 transitions. [2019-09-16 16:39:28,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:39:28,589 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 319 [2019-09-16 16:39:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:28,600 INFO L225 Difference]: With dead ends: 1883 [2019-09-16 16:39:28,600 INFO L226 Difference]: Without dead ends: 999 [2019-09-16 16:39:28,604 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:39:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2019-09-16 16:39:28,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 997. [2019-09-16 16:39:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-09-16 16:39:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1132 transitions. [2019-09-16 16:39:28,701 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1132 transitions. Word has length 319 [2019-09-16 16:39:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:28,702 INFO L475 AbstractCegarLoop]: Abstraction has 997 states and 1132 transitions. [2019-09-16 16:39:28,703 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-16 16:39:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1132 transitions. [2019-09-16 16:39:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-16 16:39:28,710 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:28,711 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, 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] [2019-09-16 16:39:28,711 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:28,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:28,711 INFO L82 PathProgramCache]: Analyzing trace with hash 315838480, now seen corresponding path program 1 times [2019-09-16 16:39:28,711 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:28,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:28,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2019-09-16 16:39:29,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:39:29,105 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 [2019-09-16 16:39:29,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:29,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 28 conjunts are in the unsatisfiable core [2019-09-16 16:39:29,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:39:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-09-16 16:39:29,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:39:29,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-09-16 16:39:29,567 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-16 16:39:29,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-16 16:39:29,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:39:29,568 INFO L87 Difference]: Start difference. First operand 997 states and 1132 transitions. Second operand 14 states. [2019-09-16 16:39:31,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:31,732 INFO L93 Difference]: Finished difference Result 2121 states and 2608 transitions. [2019-09-16 16:39:31,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-16 16:39:31,733 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2019-09-16 16:39:31,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:31,744 INFO L225 Difference]: With dead ends: 2121 [2019-09-16 16:39:31,745 INFO L226 Difference]: Without dead ends: 1564 [2019-09-16 16:39:31,747 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:39:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2019-09-16 16:39:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1231. [2019-09-16 16:39:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-09-16 16:39:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1404 transitions. [2019-09-16 16:39:31,847 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1404 transitions. Word has length 320 [2019-09-16 16:39:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:31,849 INFO L475 AbstractCegarLoop]: Abstraction has 1231 states and 1404 transitions. [2019-09-16 16:39:31,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-16 16:39:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1404 transitions. [2019-09-16 16:39:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2019-09-16 16:39:31,858 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:39:31,858 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, 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] [2019-09-16 16:39:31,859 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:39:31,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:39:31,859 INFO L82 PathProgramCache]: Analyzing trace with hash 465719961, now seen corresponding path program 1 times [2019-09-16 16:39:31,859 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:39:31,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:39:31,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:31,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:31,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:39:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 173 proven. 25 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2019-09-16 16:39:32,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:39:32,238 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 [2019-09-16 16:39:32,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:39:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:39:32,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:39:32,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:39:32,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:39:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 367 proven. 16 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-16 16:39:32,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:39:32,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2019-09-16 16:39:32,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-16 16:39:32,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-16 16:39:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2019-09-16 16:39:32,709 INFO L87 Difference]: Start difference. First operand 1231 states and 1404 transitions. Second operand 20 states. [2019-09-16 16:39:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:39:35,541 INFO L93 Difference]: Finished difference Result 1992 states and 2289 transitions. [2019-09-16 16:39:35,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-09-16 16:39:35,542 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 388 [2019-09-16 16:39:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:39:35,543 INFO L225 Difference]: With dead ends: 1992 [2019-09-16 16:39:35,543 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:39:35,549 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=387, Invalid=1419, Unknown=0, NotChecked=0, Total=1806 [2019-09-16 16:39:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:39:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:39:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:39:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:39:35,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2019-09-16 16:39:35,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:39:35,552 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:39:35,552 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-16 16:39:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:39:35,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:39:35,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:39:36,926 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-09-16 16:39:37,138 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2019-09-16 16:39:37,554 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-09-16 16:39:38,147 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2019-09-16 16:39:38,459 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2019-09-16 16:39:38,630 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-09-16 16:39:38,904 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2019-09-16 16:39:39,498 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2019-09-16 16:39:39,666 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2019-09-16 16:39:39,798 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2019-09-16 16:39:40,022 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2019-09-16 16:39:40,359 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2019-09-16 16:39:40,779 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 43 [2019-09-16 16:39:41,050 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 25 [2019-09-16 16:39:41,286 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2019-09-16 16:39:41,605 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 25 [2019-09-16 16:39:41,902 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2019-09-16 16:39:42,384 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 52 [2019-09-16 16:39:42,659 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-09-16 16:39:43,000 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2019-09-16 16:39:43,165 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2019-09-16 16:39:43,506 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-09-16 16:39:43,664 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2019-09-16 16:39:44,069 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2019-09-16 16:39:44,201 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-09-16 16:39:44,204 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-09-16 16:39:44,204 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-09-16 16:39:44,204 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-09-16 16:39:44,204 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-09-16 16:39:44,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-09-16 16:39:44,206 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse3))) [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-09-16 16:39:44,207 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 0)) .cse0 .cse1 .cse4))) [2019-09-16 16:39:44,208 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 707) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 0)) .cse0 .cse1 .cse3 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse5 .cse1 .cse6 .cse3) (or .cse3 .cse0 .cse1 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse2) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2019-09-16 16:39:44,208 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L443 ceAbstractionStarter]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2019-09-16 16:39:44,208 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-09-16 16:39:44,209 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-09-16 16:39:44,209 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2019-09-16 16:39:44,209 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2019-09-16 16:39:44,209 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,209 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2019-09-16 16:39:44,209 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,210 INFO L439 ceAbstractionStarter]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,210 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 183) no Hoare annotation was computed. [2019-09-16 16:39:44,210 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2019-09-16 16:39:44,210 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-09-16 16:39:44,210 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,210 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2019-09-16 16:39:44,210 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,211 INFO L439 ceAbstractionStarter]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-09-16 16:39:44,211 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-16 16:39:44,212 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 993) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L446 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2019-09-16 16:39:44,213 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L955(line 955) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 940) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2019-09-16 16:39:44,214 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:39:44,215 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,216 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2019-09-16 16:39:44,216 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2019-09-16 16:39:44,216 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-09-16 16:39:44,217 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2019-09-16 16:39:44,217 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2019-09-16 16:39:44,217 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2019-09-16 16:39:44,217 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0) (or .cse4 .cse2 .cse0 .cse5) (or .cse1 .cse3 .cse2 .cse0 .cse5))) [2019-09-16 16:39:44,217 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2019-09-16 16:39:44,217 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (and (= 0 processEnvironment_~tmp~7) (= ~pumpRunning~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse2 .cse0 .cse3 .cse5) (or .cse5 (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0))) [2019-09-16 16:39:44,217 INFO L439 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 (= ~pumpRunning~0 1) .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0))) [2019-09-16 16:39:44,217 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2019-09-16 16:39:44,217 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 862) no Hoare annotation was computed. [2019-09-16 16:39:44,218 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0))) [2019-09-16 16:39:44,218 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse6) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0) (or .cse1 .cse3 .cse2 .cse0 .cse6))) [2019-09-16 16:39:44,218 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-09-16 16:39:44,218 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 867) no Hoare annotation was computed. [2019-09-16 16:39:44,218 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2019-09-16 16:39:44,218 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2019-09-16 16:39:44,218 INFO L439 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and (and (and .cse0 (not (= ~switchedOnBeforeTS~0 0))) .cse2) (= 0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse3 .cse2 .cse5) (and .cse6 (and .cse0 .cse4) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:39:44,218 INFO L439 ceAbstractionStarter]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3) (and (and .cse3 (and .cse0 (not (= ~switchedOnBeforeTS~0 0)))) (= 0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse4 .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:39:44,218 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,218 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L439 ceAbstractionStarter]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L439 ceAbstractionStarter]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (= 1 ~systemActive~0) .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and (and (and .cse0 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (<= 2 ~waterLevel~0)) (and .cse2 (= 0 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))))) [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L726(lines 725 770) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 766) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L439 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (= 1 ~systemActive~0) .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and (and (and .cse0 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (<= 2 ~waterLevel~0)) (and .cse2 (= 0 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))))) [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 751) no Hoare annotation was computed. [2019-09-16 16:39:44,219 INFO L443 ceAbstractionStarter]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2019-09-16 16:39:44,220 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-09-16 16:39:44,221 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-09-16 16:39:44,222 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,223 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)) [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L439 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-16 16:39:44,223 INFO L443 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-09-16 16:39:44,223 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 974) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L446 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2019-09-16 16:39:44,224 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2019-09-16 16:39:44,224 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2019-09-16 16:39:44,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,225 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (or .cse8 .cse4)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse5 (= 0 ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse7 (not (< 0 |old(~waterLevel~0)|))) (or (or (or .cse4 .cse8) .cse0) .cse9 (and (and .cse1 (= 2 ~waterLevel~0)) .cse3)) (or (or (or .cse4 .cse7) .cse8) .cse9 (and .cse1 (<= ~waterLevel~0 1) .cse5 (< 0 ~waterLevel~0))) (or .cse6 (not (= |old(~waterLevel~0)| 0)) .cse7 (and .cse1 .cse5 .cse2))))) [2019-09-16 16:39:44,225 INFO L439 ceAbstractionStarter]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse10 (and .cse7 .cse12 .cse2)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse5 .cse3)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1))) (and (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (< 0 ~waterLevel~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) .cse6 (and .cse7 .cse0 .cse8 .cse1))) (or .cse9 .cse10 .cse3 (not (= |old(~waterLevel~0)| 1))) (or (and .cse7 .cse8 (= 0 ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 1)) .cse11 .cse4 (not (< 0 |old(~waterLevel~0)|))) (or (and .cse8 .cse12) .cse10 (or (or .cse3 .cse5) .cse9) .cse6) (or .cse11 (not (= |old(~waterLevel~0)| 0)) .cse4 (and .cse7 .cse8 .cse12))))) [2019-09-16 16:39:44,225 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or .cse6 .cse5)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 0)) .cse1 (and .cse2 .cse3)) (or .cse4 .cse5 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse5 .cse6) .cse4) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (< 0 |old(~waterLevel~0)|)) (and .cse3 .cse2))))) [2019-09-16 16:39:44,225 INFO L443 ceAbstractionStarter]: For program point L792(lines 788 810) no Hoare annotation was computed. [2019-09-16 16:39:44,225 INFO L443 ceAbstractionStarter]: For program point L790(lines 788 810) no Hoare annotation was computed. [2019-09-16 16:39:44,226 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (or .cse10 .cse1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 1) .cse9)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 0)) .cse4 .cse5) (or .cse6 .cse4 .cse1 .cse7 .cse2) (or .cse0 .cse6 .cse1 .cse7 .cse2) (or .cse3 .cse4 (not (< 0 |old(~waterLevel~0)|)) .cse5) (or (and .cse8 .cse9) (or (or .cse1 .cse10) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse9 .cse8) .cse1 .cse2)))) [2019-09-16 16:39:44,226 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2019-09-16 16:39:44,226 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2019-09-16 16:39:44,226 INFO L446 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2019-09-16 16:39:44,226 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2019-09-16 16:39:44,226 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-09-16 16:39:44,226 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-09-16 16:39:44,227 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2019-09-16 16:39:44,227 INFO L446 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2019-09-16 16:39:44,227 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-09-16 16:39:44,227 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-09-16 16:39:44,227 INFO L446 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2019-09-16 16:39:44,227 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-09-16 16:39:44,227 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2019-09-16 16:39:44,227 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (let ((.cse0 (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (< 0 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 0)) .cse1 .cse2))) [2019-09-16 16:39:44,228 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2019-09-16 16:39:44,228 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,228 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:39:44,229 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:39:44,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:44,229 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse6) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0) (or .cse1 .cse3 .cse2 .cse0 .cse6))) [2019-09-16 16:39:44,229 INFO L439 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse1 .cse2) (or (= ~pumpRunning~0 0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))) (or .cse4 .cse1 .cse2 .cse3))) [2019-09-16 16:39:44,229 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 836) no Hoare annotation was computed. [2019-09-16 16:39:44,229 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2019-09-16 16:39:44,230 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0) (or .cse4 .cse2 .cse0 .cse5) (or .cse1 .cse3 .cse2 .cse0 .cse5))) [2019-09-16 16:39:44,230 INFO L443 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2019-09-16 16:39:44,230 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 841) no Hoare annotation was computed. [2019-09-16 16:39:44,230 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0))) [2019-09-16 16:39:44,230 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2019-09-16 16:39:44,230 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 0)) .cse5 .cse2 .cse3) (or .cse1 (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2))))) (or .cse5 .cse2 .cse3 .cse4))) [2019-09-16 16:39:44,230 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2019-09-16 16:39:44,231 INFO L443 ceAbstractionStarter]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2019-09-16 16:39:44,231 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (= 0 ~switchedOnBeforeTS~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 0)) .cse1) (or .cse2 (or .cse4 .cse0 .cse5)) (or .cse2 .cse0 .cse1 .cse6 .cse5) (or (or .cse4 .cse0) .cse6 .cse2 .cse3))) [2019-09-16 16:39:44,231 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:39:44,231 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-16 16:39:44,231 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:39:44,231 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-16 16:39:44,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:39:44 BoogieIcfgContainer [2019-09-16 16:39:44,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:39:44,248 INFO L168 Benchmark]: Toolchain (without parser) took 30850.29 ms. Allocated memory was 138.4 MB in the beginning and 806.9 MB in the end (delta: 668.5 MB). Free memory was 84.4 MB in the beginning and 684.1 MB in the end (delta: -599.7 MB). Peak memory consumption was 629.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,249 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.68 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 161.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,251 INFO L168 Benchmark]: Boogie Preprocessor took 81.65 ms. Allocated memory is still 198.7 MB. Free memory was 161.0 MB in the beginning and 156.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,252 INFO L168 Benchmark]: RCFGBuilder took 1145.40 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 156.5 MB in the beginning and 186.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,252 INFO L168 Benchmark]: TraceAbstraction took 28965.64 ms. Allocated memory was 220.2 MB in the beginning and 806.9 MB in the end (delta: 586.7 MB). Free memory was 185.1 MB in the beginning and 684.1 MB in the end (delta: -499.0 MB). Peak memory consumption was 648.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:44,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.68 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 161.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.65 ms. Allocated memory is still 198.7 MB. Free memory was 161.0 MB in the beginning and 156.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1145.40 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 156.5 MB in the beginning and 186.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28965.64 ms. Allocated memory was 220.2 MB in the beginning and 806.9 MB in the end (delta: 586.7 MB). Free memory was 185.1 MB in the beginning and 684.1 MB in the end (delta: -499.0 MB). Peak memory consumption was 648.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && \old(waterLevel) == waterLevel) && pumpRunning == 0) || ((0 == splverifierCounter && waterLevel == 2) && pumpRunning == 1)) || ((pumpRunning == 1 && 0 == splverifierCounter && !(switchedOnBeforeTS == 0)) && 0 == waterLevel)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 1) && \old(waterLevel) <= waterLevel)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. SAFE Result, 28.8s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 13.9s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2964 SDtfs, 4954 SDslu, 8709 SDs, 0 SdLazy, 10695 SolverSat, 2933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1801 GetRequests, 1581 SyntacticMatches, 2 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1231occurred in iteration=13, 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, 14 MinimizatonAttempts, 1018 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2634 PreInvPairs, 2734 NumberOfFragments, 2517 HoareAnnotationTreeSize, 2634 FomulaSimplifications, 34732 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 38157 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3838 NumberOfCodeBlocks, 3838 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3819 ConstructedInterpolants, 0 QuantifiedInterpolants, 1591823 SizeOfPredicates, 20 NumberOfNonLiveVariables, 6345 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2899/3099 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...