/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:07:49,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:07:49,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:07:49,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:07:49,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:07:49,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:07:49,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:07:49,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:07:49,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:07:49,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:07:49,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:07:49,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:07:49,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:07:49,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:07:49,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:07:49,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:07:49,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:07:49,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:07:49,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:07:49,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:07:49,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:07:49,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:07:49,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:07:49,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:07:49,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:07:49,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:07:49,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:07:49,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:07:49,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:07:49,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:07:49,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:07:49,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:07:49,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:07:49,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:07:49,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:07:49,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:07:49,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:07:49,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:07:49,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:07:49,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:07:49,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:07:49,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:07:49,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:07:49,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:07:49,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:07:49,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:07:49,354 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:07:49,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:07:49,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:07:49,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:07:49,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:07:49,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:07:49,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:07:49,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:07:49,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:07:49,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:07:49,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:07:49,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:07:49,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:07:49,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:07:49,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:07:49,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:07:49,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:07:49,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:07:49,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:07:49,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:07:49,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:07:49,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:07:49,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:07:49,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:07:49,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:07:49,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:07:49,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:07:49,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:07:49,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:07:49,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:07:49,703 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:07:49,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-19 21:07:49,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1272f76/76ad2f1d82b744c693d1b7a8bfbb8adb/FLAGee824e43e [2020-07-19 21:07:50,298 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:07:50,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-19 21:07:50,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1272f76/76ad2f1d82b744c693d1b7a8bfbb8adb/FLAGee824e43e [2020-07-19 21:07:50,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1272f76/76ad2f1d82b744c693d1b7a8bfbb8adb [2020-07-19 21:07:50,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:07:50,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:07:50,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:07:50,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:07:50,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:07:50,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:07:50" (1/1) ... [2020-07-19 21:07:50,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1481941f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:50, skipping insertion in model container [2020-07-19 21:07:50,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:07:50" (1/1) ... [2020-07-19 21:07:50,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:07:50,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:07:51,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:07:51,046 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:07:51,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:07:51,266 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:07:51,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51 WrapperNode [2020-07-19 21:07:51,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:07:51,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:07:51,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:07:51,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:07:51,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... [2020-07-19 21:07:51,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:07:51,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:07:51,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:07:51,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:07:51,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:07:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:07:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:07:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:07:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:07:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:07:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:07:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:07:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:07:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:07:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:07:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:07:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:07:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 21:07:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:07:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:07:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:07:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:07:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:07:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:07:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:07:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:07:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:07:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:07:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:07:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:07:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:07:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:07:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:07:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:07:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:07:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:07:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:07:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:07:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:07:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:07:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:07:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:07:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:07:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:07:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:07:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:07:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:07:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:07:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 21:07:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:07:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:07:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:07:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:07:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:07:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:07:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:07:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:07:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:07:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:07:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:07:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:07:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:07:52,614 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:07:52,615 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:07:52,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:07:52 BoogieIcfgContainer [2020-07-19 21:07:52,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:07:52,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:07:52,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:07:52,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:07:52,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:07:50" (1/3) ... [2020-07-19 21:07:52,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184868c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:07:52, skipping insertion in model container [2020-07-19 21:07:52,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:51" (2/3) ... [2020-07-19 21:07:52,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184868c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:07:52, skipping insertion in model container [2020-07-19 21:07:52,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:07:52" (3/3) ... [2020-07-19 21:07:52,629 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-07-19 21:07:52,639 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:07:52,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:07:52,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:07:52,687 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:07:52,688 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:07:52,688 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:07:52,688 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:07:52,689 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:07:52,689 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:07:52,689 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:07:52,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:07:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-19 21:07:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:07:52,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:52,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:52,728 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2020-07-19 21:07:52,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:52,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415947515] [2020-07-19 21:07:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:07:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,494 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:53,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415947515] [2020-07-19 21:07:53,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:53,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:07:53,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687362517] [2020-07-19 21:07:53,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:07:53,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:53,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:07:53,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:07:53,637 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-07-19 21:07:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:54,817 INFO L93 Difference]: Finished difference Result 341 states and 436 transitions. [2020-07-19 21:07:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:07:54,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:07:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:54,835 INFO L225 Difference]: With dead ends: 341 [2020-07-19 21:07:54,835 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 21:07:54,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:07:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 21:07:55,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-07-19 21:07:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-19 21:07:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-07-19 21:07:55,019 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2020-07-19 21:07:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:55,020 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-07-19 21:07:55,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:07:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-07-19 21:07:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:07:55,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:55,024 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:55,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:07:55,025 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:55,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:55,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2020-07-19 21:07:55,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:55,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433854409] [2020-07-19 21:07:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:07:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,354 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:55,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433854409] [2020-07-19 21:07:55,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:55,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:07:55,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985530547] [2020-07-19 21:07:55,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:07:55,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:55,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:07:55,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:07:55,445 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 9 states. [2020-07-19 21:07:55,853 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:56,150 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:56,390 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:56,641 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:58,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:58,102 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2020-07-19 21:07:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:07:58,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:07:58,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:58,111 INFO L225 Difference]: With dead ends: 314 [2020-07-19 21:07:58,112 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 21:07:58,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:07:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 21:07:58,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-07-19 21:07:58,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-19 21:07:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-07-19 21:07:58,185 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2020-07-19 21:07:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:58,186 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-07-19 21:07:58,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-07-19 21:07:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-19 21:07:58,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:58,195 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:58,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:07:58,195 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:58,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:58,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2020-07-19 21:07:58,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:58,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898864397] [2020-07-19 21:07:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:07:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,543 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:58,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898864397] [2020-07-19 21:07:58,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:58,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:07:58,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79215809] [2020-07-19 21:07:58,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:07:58,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:58,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:07:58,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:07:58,713 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 7 states. [2020-07-19 21:07:59,038 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:00,454 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:01,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:01,214 INFO L93 Difference]: Finished difference Result 457 states and 594 transitions. [2020-07-19 21:08:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:01,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-07-19 21:08:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:01,222 INFO L225 Difference]: With dead ends: 457 [2020-07-19 21:08:01,223 INFO L226 Difference]: Without dead ends: 329 [2020-07-19 21:08:01,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:08:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-07-19 21:08:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 268. [2020-07-19 21:08:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-19 21:08:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 319 transitions. [2020-07-19 21:08:01,278 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 319 transitions. Word has length 82 [2020-07-19 21:08:01,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:01,278 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 319 transitions. [2020-07-19 21:08:01,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:08:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2020-07-19 21:08:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 21:08:01,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:01,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:01,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:08:01,281 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2020-07-19 21:08:01,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:01,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713687319] [2020-07-19 21:08:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,564 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:08:01,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713687319] [2020-07-19 21:08:01,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:01,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:01,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708797067] [2020-07-19 21:08:01,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:01,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:01,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:01,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:01,732 INFO L87 Difference]: Start difference. First operand 268 states and 319 transitions. Second operand 9 states. [2020-07-19 21:08:02,194 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:02,764 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:03,508 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:03,821 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:04,241 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:04,477 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:05,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:05,214 INFO L93 Difference]: Finished difference Result 558 states and 704 transitions. [2020-07-19 21:08:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:05,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-07-19 21:08:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:05,218 INFO L225 Difference]: With dead ends: 558 [2020-07-19 21:08:05,218 INFO L226 Difference]: Without dead ends: 318 [2020-07-19 21:08:05,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:08:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-19 21:08:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 267. [2020-07-19 21:08:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-07-19 21:08:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 316 transitions. [2020-07-19 21:08:05,280 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 316 transitions. Word has length 96 [2020-07-19 21:08:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:05,281 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 316 transitions. [2020-07-19 21:08:05,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 316 transitions. [2020-07-19 21:08:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 21:08:05,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:05,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:05,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:08:05,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:05,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:05,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1863541240, now seen corresponding path program 1 times [2020-07-19 21:08:05,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:05,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573259475] [2020-07-19 21:08:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,555 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:05,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573259475] [2020-07-19 21:08:05,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:05,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 21:08:05,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127071723] [2020-07-19 21:08:05,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:08:05,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:05,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:08:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:08:05,713 INFO L87 Difference]: Start difference. First operand 267 states and 316 transitions. Second operand 10 states. [2020-07-19 21:08:06,341 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:06,961 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:07,204 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:07,440 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:07,672 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:08,608 INFO L93 Difference]: Finished difference Result 518 states and 636 transitions. [2020-07-19 21:08:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 21:08:08,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-19 21:08:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:08,610 INFO L225 Difference]: With dead ends: 518 [2020-07-19 21:08:08,611 INFO L226 Difference]: Without dead ends: 279 [2020-07-19 21:08:08,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:08:08,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-19 21:08:08,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 242. [2020-07-19 21:08:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-19 21:08:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2020-07-19 21:08:08,656 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 93 [2020-07-19 21:08:08,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:08,657 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2020-07-19 21:08:08,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:08:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2020-07-19 21:08:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 21:08:08,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:08,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:08,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:08:08,659 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:08,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:08,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2020-07-19 21:08:08,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:08,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810140304] [2020-07-19 21:08:08,660 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,940 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:09,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810140304] [2020-07-19 21:08:09,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:09,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:08:09,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653565141] [2020-07-19 21:08:09,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:08:09,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:09,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:08:09,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:08:09,112 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 11 states. [2020-07-19 21:08:09,778 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:10,011 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:10,230 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:10,892 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:11,133 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:11,382 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:12,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:12,334 INFO L93 Difference]: Finished difference Result 500 states and 606 transitions. [2020-07-19 21:08:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:08:12,335 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-07-19 21:08:12,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:12,338 INFO L225 Difference]: With dead ends: 500 [2020-07-19 21:08:12,338 INFO L226 Difference]: Without dead ends: 286 [2020-07-19 21:08:12,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:08:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-19 21:08:12,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 246. [2020-07-19 21:08:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-07-19 21:08:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2020-07-19 21:08:12,400 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2020-07-19 21:08:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:12,400 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2020-07-19 21:08:12,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:08:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2020-07-19 21:08:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 21:08:12,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:12,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:12,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:08:12,403 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:12,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2020-07-19 21:08:12,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:12,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481686860] [2020-07-19 21:08:12,404 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,675 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:12,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481686860] [2020-07-19 21:08:12,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:12,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:08:12,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732690526] [2020-07-19 21:08:12,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:08:12,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:12,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:08:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:08:12,769 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 7 states. [2020-07-19 21:08:13,224 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:14,007 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:16,216 INFO L93 Difference]: Finished difference Result 781 states and 991 transitions. [2020-07-19 21:08:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:16,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-07-19 21:08:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:16,223 INFO L225 Difference]: With dead ends: 781 [2020-07-19 21:08:16,223 INFO L226 Difference]: Without dead ends: 563 [2020-07-19 21:08:16,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:08:16,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-07-19 21:08:16,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 503. [2020-07-19 21:08:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-07-19 21:08:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 600 transitions. [2020-07-19 21:08:16,317 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 600 transitions. Word has length 97 [2020-07-19 21:08:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:16,318 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 600 transitions. [2020-07-19 21:08:16,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:08:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 600 transitions. [2020-07-19 21:08:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-19 21:08:16,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:16,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:16,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:08:16,320 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:16,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2020-07-19 21:08:16,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:16,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652564889] [2020-07-19 21:08:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,627 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:16,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652564889] [2020-07-19 21:08:16,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:16,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:08:16,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928544553] [2020-07-19 21:08:16,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:08:16,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:16,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:08:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:08:16,844 INFO L87 Difference]: Start difference. First operand 503 states and 600 transitions. Second operand 12 states. [2020-07-19 21:08:17,305 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:17,945 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:19,068 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:19,413 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:19,669 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:19,956 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:20,229 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:21,518 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:21,792 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:22,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:22,672 INFO L93 Difference]: Finished difference Result 1476 states and 1845 transitions. [2020-07-19 21:08:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:08:22,673 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-07-19 21:08:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:22,686 INFO L225 Difference]: With dead ends: 1476 [2020-07-19 21:08:22,686 INFO L226 Difference]: Without dead ends: 1001 [2020-07-19 21:08:22,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:08:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-19 21:08:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 851. [2020-07-19 21:08:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-07-19 21:08:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 998 transitions. [2020-07-19 21:08:22,857 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 998 transitions. Word has length 101 [2020-07-19 21:08:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:22,858 INFO L479 AbstractCegarLoop]: Abstraction has 851 states and 998 transitions. [2020-07-19 21:08:22,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:08:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 998 transitions. [2020-07-19 21:08:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-19 21:08:22,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:22,866 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:22,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:08:22,866 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:22,867 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2020-07-19 21:08:22,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:22,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825599820] [2020-07-19 21:08:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,198 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-19 21:08:23,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825599820] [2020-07-19 21:08:23,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496992838] [2020-07-19 21:08:23,566 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:23,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:08:23,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:08:24,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:24,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:08:24,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232743594] [2020-07-19 21:08:24,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:08:24,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:24,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:08:24,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:08:24,045 INFO L87 Difference]: Start difference. First operand 851 states and 998 transitions. Second operand 20 states. [2020-07-19 21:08:24,691 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:25,067 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:25,340 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:25,614 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:26,255 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:26,613 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:26,966 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:08:27,778 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:28,157 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:29,225 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:08:29,542 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:29,871 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:30,418 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:30,827 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:31,491 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:08:32,010 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:08:32,480 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:33,034 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:33,755 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:08:34,076 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:34,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:34,293 INFO L93 Difference]: Finished difference Result 1894 states and 2279 transitions. [2020-07-19 21:08:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-19 21:08:34,293 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 178 [2020-07-19 21:08:34,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:34,301 INFO L225 Difference]: With dead ends: 1894 [2020-07-19 21:08:34,301 INFO L226 Difference]: Without dead ends: 1071 [2020-07-19 21:08:34,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-19 21:08:34,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2020-07-19 21:08:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 965. [2020-07-19 21:08:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-07-19 21:08:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1134 transitions. [2020-07-19 21:08:34,514 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1134 transitions. Word has length 178 [2020-07-19 21:08:34,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:34,514 INFO L479 AbstractCegarLoop]: Abstraction has 965 states and 1134 transitions. [2020-07-19 21:08:34,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:08:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1134 transitions. [2020-07-19 21:08:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-07-19 21:08:34,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:34,522 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:34,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:08:34,737 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:34,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:34,737 INFO L82 PathProgramCache]: Analyzing trace with hash 2132607531, now seen corresponding path program 1 times [2020-07-19 21:08:34,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:34,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520163440] [2020-07-19 21:08:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,171 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-07-19 21:08:35,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520163440] [2020-07-19 21:08:35,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69465213] [2020-07-19 21:08:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:36,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:08:36,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 208 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-19 21:08:36,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:36,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 21:08:36,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772344648] [2020-07-19 21:08:36,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 21:08:36,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:36,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 21:08:36,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:08:36,714 INFO L87 Difference]: Start difference. First operand 965 states and 1134 transitions. Second operand 24 states. [2020-07-19 21:08:37,828 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:38,699 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:39,433 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:40,208 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:40,734 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:08:41,223 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:08:41,495 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:41,793 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:42,058 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:45,076 INFO L93 Difference]: Finished difference Result 2290 states and 3007 transitions. [2020-07-19 21:08:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 21:08:45,076 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 301 [2020-07-19 21:08:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:45,087 INFO L225 Difference]: With dead ends: 2290 [2020-07-19 21:08:45,087 INFO L226 Difference]: Without dead ends: 1372 [2020-07-19 21:08:45,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 412 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 21:08:45,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-07-19 21:08:45,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 941. [2020-07-19 21:08:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-07-19 21:08:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1086 transitions. [2020-07-19 21:08:45,286 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1086 transitions. Word has length 301 [2020-07-19 21:08:45,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:45,286 INFO L479 AbstractCegarLoop]: Abstraction has 941 states and 1086 transitions. [2020-07-19 21:08:45,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 21:08:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1086 transitions. [2020-07-19 21:08:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-19 21:08:45,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:45,296 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:45,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:08:45,510 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:45,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash 955877389, now seen corresponding path program 1 times [2020-07-19 21:08:45,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:45,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771179572] [2020-07-19 21:08:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,867 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 46 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-07-19 21:08:46,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771179572] [2020-07-19 21:08:46,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929576441] [2020-07-19 21:08:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 21:08:46,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 244 proven. 18 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-19 21:08:46,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:46,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:08:46,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975580076] [2020-07-19 21:08:46,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:08:46,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:46,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:08:46,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:08:46,856 INFO L87 Difference]: Start difference. First operand 941 states and 1086 transitions. Second operand 22 states. [2020-07-19 21:08:47,769 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:08:48,326 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:08:48,804 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:08:49,270 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:08:50,237 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:08:51,123 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:51,712 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:08:52,210 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:08:52,914 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:53,975 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:54,236 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:54,842 INFO L93 Difference]: Finished difference Result 1920 states and 2284 transitions. [2020-07-19 21:08:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:08:54,843 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 313 [2020-07-19 21:08:54,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:54,849 INFO L225 Difference]: With dead ends: 1920 [2020-07-19 21:08:54,849 INFO L226 Difference]: Without dead ends: 1026 [2020-07-19 21:08:54,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:08:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-07-19 21:08:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 941. [2020-07-19 21:08:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-07-19 21:08:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1082 transitions. [2020-07-19 21:08:55,052 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1082 transitions. Word has length 313 [2020-07-19 21:08:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:55,055 INFO L479 AbstractCegarLoop]: Abstraction has 941 states and 1082 transitions. [2020-07-19 21:08:55,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:08:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1082 transitions. [2020-07-19 21:08:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-19 21:08:55,065 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:55,065 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:08:55,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:08:55,279 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:55,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1336242427, now seen corresponding path program 1 times [2020-07-19 21:08:55,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:55,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005217873] [2020-07-19 21:08:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:08:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,608 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-07-19 21:08:56,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005217873] [2020-07-19 21:08:56,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864004417] [2020-07-19 21:08:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:08:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:08:56,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 171 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-19 21:08:56,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:56,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 21:08:56,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237703435] [2020-07-19 21:08:56,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:08:56,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:56,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:08:56,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:08:56,507 INFO L87 Difference]: Start difference. First operand 941 states and 1082 transitions. Second operand 22 states. [2020-07-19 21:08:57,013 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:57,804 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:58,119 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:58,486 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:01,697 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:01,983 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:02,246 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:02,499 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:02,995 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:03,261 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:03,772 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:04,038 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:04,587 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:05,056 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:06,152 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:06,492 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:06,792 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:07,096 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:07,378 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:07,649 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:08,199 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:08,482 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:08,983 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:09,248 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:09,785 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:09:10,263 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:09:14,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:14,165 INFO L93 Difference]: Finished difference Result 3553 states and 4605 transitions. [2020-07-19 21:09:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-19 21:09:14,165 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 314 [2020-07-19 21:09:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:14,180 INFO L225 Difference]: With dead ends: 3553 [2020-07-19 21:09:14,181 INFO L226 Difference]: Without dead ends: 2648 [2020-07-19 21:09:14,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3971 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=2040, Invalid=9516, Unknown=0, NotChecked=0, Total=11556 [2020-07-19 21:09:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2020-07-19 21:09:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2031. [2020-07-19 21:09:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2020-07-19 21:09:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2290 transitions. [2020-07-19 21:09:14,650 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2290 transitions. Word has length 314 [2020-07-19 21:09:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:14,650 INFO L479 AbstractCegarLoop]: Abstraction has 2031 states and 2290 transitions. [2020-07-19 21:09:14,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:09:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2290 transitions. [2020-07-19 21:09:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-19 21:09:14,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:14,663 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:14,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:14,877 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:14,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1190207287, now seen corresponding path program 1 times [2020-07-19 21:09:14,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:14,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367741927] [2020-07-19 21:09:14,879 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec [2020-07-19 21:09:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,218 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 114 proven. 73 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-07-19 21:09:15,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367741927] [2020-07-19 21:09:15,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562904990] [2020-07-19 21:09:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749219ec No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:16,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:09:16,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 226 proven. 49 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-07-19 21:09:16,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:16,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2020-07-19 21:09:16,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578882577] [2020-07-19 21:09:16,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 21:09:16,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:16,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 21:09:16,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:09:16,604 INFO L87 Difference]: Start difference. First operand 2031 states and 2290 transitions. Second operand 26 states. [2020-07-19 21:09:17,492 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-19 21:09:18,337 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:19,151 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:20,216 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:20,545 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:20,832 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:22,888 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-19 21:09:23,412 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:23,927 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:24,383 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:09:26,234 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-19 21:09:27,346 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:09:28,138 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-19 21:09:28,717 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:29,249 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:35,626 INFO L93 Difference]: Finished difference Result 7584 states and 9963 transitions. [2020-07-19 21:09:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-07-19 21:09:35,626 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 391 [2020-07-19 21:09:35,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:35,628 INFO L225 Difference]: With dead ends: 7584 [2020-07-19 21:09:35,628 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:09:35,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 581 SyntacticMatches, 9 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4566 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2478, Invalid=10404, Unknown=0, NotChecked=0, Total=12882 [2020-07-19 21:09:35,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:09:35,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:09:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:09:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:09:35,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2020-07-19 21:09:35,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:35,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:09:35,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 21:09:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:09:35,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:09:35,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:09:35,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:09:36,171 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-07-19 21:09:44,113 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 730 DAG size of output: 658 [2020-07-19 21:09:53,899 WARN L193 SmtUtils]: Spent 7.00 s on a formula simplification. DAG size of input: 789 DAG size of output: 701 [2020-07-19 21:09:56,949 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 614 DAG size of output: 527 [2020-07-19 21:09:57,109 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 234 [2020-07-19 21:09:57,253 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 234 [2020-07-19 21:09:57,791 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-07-19 21:10:00,036 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-07-19 21:10:09,710 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-07-19 21:10:27,520 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 518 DAG size of output: 440 [2020-07-19 21:10:33,339 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 253 DAG size of output: 25 [2020-07-19 21:10:33,645 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-19 21:10:34,920 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 221 DAG size of output: 35 [2020-07-19 21:10:35,339 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:10:36,162 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 27 [2020-07-19 21:10:42,216 WARN L193 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 571 DAG size of output: 37 [2020-07-19 21:10:43,011 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 34 [2020-07-19 21:10:43,825 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 27 [2020-07-19 21:10:45,409 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 196 DAG size of output: 46 [2020-07-19 21:10:45,604 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-19 21:10:46,535 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 28 [2020-07-19 21:10:46,748 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:10:46,949 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:10:47,139 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-19 21:10:54,482 WARN L193 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 614 DAG size of output: 32 [2020-07-19 21:10:54,697 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:10:58,475 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 426 DAG size of output: 34 [2020-07-19 21:11:00,604 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 337 DAG size of output: 41 [2020-07-19 21:11:00,792 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-19 21:11:02,356 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 226 DAG size of output: 24 [2020-07-19 21:11:03,196 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 1 [2020-07-19 21:11:05,353 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 298 DAG size of output: 32 [2020-07-19 21:11:06,098 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 30 [2020-07-19 21:11:06,494 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-19 21:11:07,784 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 225 DAG size of output: 32 [2020-07-19 21:11:08,661 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-07-19 21:11:08,843 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2020-07-19 21:11:09,625 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 30 [2020-07-19 21:11:11,551 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 324 DAG size of output: 34 [2020-07-19 21:11:11,764 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 21:11:11,975 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 21:11:12,894 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 28 [2020-07-19 21:11:13,104 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 21:11:13,323 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-19 21:11:14,403 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2020-07-19 21:11:15,021 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 27 [2020-07-19 21:11:15,245 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-19 21:11:15,443 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:11:17,764 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 197 DAG size of output: 61 [2020-07-19 21:11:19,102 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 225 DAG size of output: 30 [2020-07-19 21:11:19,286 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-19 21:11:20,123 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 29 [2020-07-19 21:11:20,435 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-19 21:11:20,633 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:11:22,855 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 341 DAG size of output: 34 [2020-07-19 21:11:23,070 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-19 21:11:23,273 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-19 21:11:23,487 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 21:11:25,193 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 228 DAG size of output: 35 [2020-07-19 21:11:25,392 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:11:25,699 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-19 21:11:26,961 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 174 DAG size of output: 16 [2020-07-19 21:11:27,174 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 21:11:27,808 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 24 [2020-07-19 21:11:28,421 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 27 [2020-07-19 21:11:28,426 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:11:28,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:11:28,428 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 21:11:28,429 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:11:28,429 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 21:11:28,429 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2020-07-19 21:11:28,429 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2020-07-19 21:11:28,430 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-19 21:11:28,430 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2020-07-19 21:11:28,430 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-19 21:11:28,430 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,430 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2020-07-19 21:11:28,431 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2020-07-19 21:11:28,431 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse2) (or .cse3 (not (< 1 ~waterLevel~0)) .cse0 .cse4 .cse2) (or .cse0 (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-19 21:11:28,431 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-19 21:11:28,431 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2020-07-19 21:11:28,431 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2020-07-19 21:11:28,431 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-19 21:11:28,432 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2020-07-19 21:11:28,432 INFO L268 CegarLoopResult]: For program point L784(lines 784 790) no Hoare annotation was computed. [2020-07-19 21:11:28,432 INFO L268 CegarLoopResult]: For program point L783(lines 783 793) no Hoare annotation was computed. [2020-07-19 21:11:28,432 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse2 .cse9 .cse3) (or .cse4 .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-19 21:11:28,432 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-19 21:11:28,432 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2020-07-19 21:11:28,432 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-07-19 21:11:28,433 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2020-07-19 21:11:28,433 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-07-19 21:11:28,433 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-19 21:11:28,433 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,433 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2020-07-19 21:11:28,433 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,433 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,434 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-19 21:11:28,434 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2020-07-19 21:11:28,434 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-19 21:11:28,434 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,434 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,434 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,434 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-19 21:11:28,435 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-19 21:11:28,436 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L271 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: true [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-19 21:11:28,437 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L576(lines 576 584) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L599-1(line 599) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L588(lines 588 596) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2020-07-19 21:11:28,438 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:11:28,439 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:11:28,440 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:11:28,440 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:11:28,440 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,440 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2020-07-19 21:11:28,440 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2020-07-19 21:11:28,440 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,440 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2020-07-19 21:11:28,440 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point L990(lines 990 996) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2020-07-19 21:11:28,441 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2020-07-19 21:11:28,442 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2020-07-19 21:11:28,442 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-19 21:11:28,442 INFO L268 CegarLoopResult]: For program point L512(lines 512 529) no Hoare annotation was computed. [2020-07-19 21:11:28,442 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2020-07-19 21:11:28,442 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,442 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,442 INFO L268 CegarLoopResult]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2020-07-19 21:11:28,443 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse0) (or (= 0 ~methaneLevelCritical~0) .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse0) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse0))) [2020-07-19 21:11:28,443 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse2 .cse3))) [2020-07-19 21:11:28,443 INFO L268 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-07-19 21:11:28,443 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:11:28,443 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2020-07-19 21:11:28,443 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2020-07-19 21:11:28,444 INFO L264 CegarLoopResult]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,444 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-19 21:11:28,444 INFO L264 CegarLoopResult]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 21:11:28,444 INFO L268 CegarLoopResult]: For program point L696(lines 695 740) no Hoare annotation was computed. [2020-07-19 21:11:28,444 INFO L268 CegarLoopResult]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2020-07-19 21:11:28,444 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-19 21:11:28,444 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= ~waterLevel~0 1) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 (<= ~waterLevel~0 2) .cse2) (not .cse4))) [2020-07-19 21:11:28,445 INFO L268 CegarLoopResult]: For program point L715(lines 715 721) no Hoare annotation was computed. [2020-07-19 21:11:28,445 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2020-07-19 21:11:28,445 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 21:11:28,445 INFO L264 CegarLoopResult]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~waterLevel~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 21:11:28,445 INFO L268 CegarLoopResult]: For program point L705(lines 705 711) no Hoare annotation was computed. [2020-07-19 21:11:28,445 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2020-07-19 21:11:28,445 INFO L268 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L264 CegarLoopResult]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:11:28,446 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point L962(lines 962 970) no Hoare annotation was computed. [2020-07-19 21:11:28,447 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 21:11:28,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2020-07-19 21:11:28,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,450 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:11:28,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,450 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2020-07-19 21:11:28,450 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2020-07-19 21:11:28,450 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,450 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2020-07-19 21:11:28,451 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-19 21:11:28,451 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2020-07-19 21:11:28,451 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2020-07-19 21:11:28,451 INFO L271 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: true [2020-07-19 21:11:28,451 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2020-07-19 21:11:28,451 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-19 21:11:28,451 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2020-07-19 21:11:28,451 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0)) .cse3) (or (= 0 ~methaneLevelCritical~0) .cse1 (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2020-07-19 21:11:28,452 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2020-07-19 21:11:28,453 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2020-07-19 21:11:28,453 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2020-07-19 21:11:28,453 INFO L264 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 (= 0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse4 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (= 1 ~waterLevel~0)) .cse2) (or .cse3 .cse4 (not (<= |old(~waterLevel~0)| 0)) (and .cse5 .cse6 .cse0) .cse2))) [2020-07-19 21:11:28,453 INFO L264 CegarLoopResult]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 ~systemActive~0)))) (and (let ((.cse5 (= 1 ~waterLevel~0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5) .cse8)) (or (not (= 2 |old(~waterLevel~0)|)) .cse9 .cse6 (<= 1 ~pumpRunning~0) .cse8) (or (and .cse6 .cse10) (and (= 2 ~waterLevel~0) .cse10) .cse9 .cse1 .cse8) (let ((.cse14 (<= ~waterLevel~0 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (= 0 ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse11 (and .cse6 .cse7 .cse12 .cse13) (and .cse14 .cse6 .cse7 .cse10) (and .cse2 .cse4 .cse14 .cse10) .cse0 .cse1 (and .cse2 .cse4 .cse12 .cse13) .cse8)) (or .cse11 .cse3 .cse0 .cse6 .cse1 .cse8))) [2020-07-19 21:11:28,454 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse5 .cse3)))) [2020-07-19 21:11:28,454 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse0 .cse3 .cse1) (or .cse2 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse1))) [2020-07-19 21:11:28,454 INFO L268 CegarLoopResult]: For program point L428(lines 424 446) no Hoare annotation was computed. [2020-07-19 21:11:28,454 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2020-07-19 21:11:28,454 INFO L268 CegarLoopResult]: For program point L426(lines 424 446) no Hoare annotation was computed. [2020-07-19 21:11:28,454 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2020-07-19 21:11:28,454 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2020-07-19 21:11:28,454 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2020-07-19 21:11:28,455 INFO L271 CegarLoopResult]: At program point L827(lines 802 831) the Hoare annotation is: true [2020-07-19 21:11:28,455 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-19 21:11:28,455 INFO L268 CegarLoopResult]: For program point L816(lines 816 820) no Hoare annotation was computed. [2020-07-19 21:11:28,455 INFO L271 CegarLoopResult]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2020-07-19 21:11:28,455 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-19 21:11:28,455 INFO L271 CegarLoopResult]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2020-07-19 21:11:28,455 INFO L271 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: true [2020-07-19 21:11:28,455 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-19 21:11:28,455 INFO L268 CegarLoopResult]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2020-07-19 21:11:28,456 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:11:28,456 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2020-07-19 21:11:28,456 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2020-07-19 21:11:28,456 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2020-07-19 21:11:28,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,456 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:11:28,456 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:11:28,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:11:28,456 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,457 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2020-07-19 21:11:28,457 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-19 21:11:28,457 INFO L268 CegarLoopResult]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2020-07-19 21:11:28,457 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-19 21:11:28,457 INFO L264 CegarLoopResult]: At program point L466(line 466) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 21:11:28,457 INFO L268 CegarLoopResult]: For program point L464(lines 464 472) no Hoare annotation was computed. [2020-07-19 21:11:28,458 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,458 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-19 21:11:28,458 INFO L268 CegarLoopResult]: For program point L460(lines 460 477) no Hoare annotation was computed. [2020-07-19 21:11:28,458 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2020-07-19 21:11:28,458 INFO L268 CegarLoopResult]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2020-07-19 21:11:28,458 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or (= 2 ~waterLevel~0) .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 (not (= 0 ~pumpRunning~0)) .cse2))) [2020-07-19 21:11:28,458 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2020-07-19 21:11:28,459 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2020-07-19 21:11:28,459 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2020-07-19 21:11:28,459 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2020-07-19 21:11:28,459 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2020-07-19 21:11:28,459 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,459 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:11:28,459 INFO L268 CegarLoopResult]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2020-07-19 21:11:28,459 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4 .cse0))) [2020-07-19 21:11:28,460 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4 .cse0))) [2020-07-19 21:11:28,460 INFO L268 CegarLoopResult]: For program point L490(lines 490 498) no Hoare annotation was computed. [2020-07-19 21:11:28,460 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-19 21:11:28,460 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-19 21:11:28,460 INFO L268 CegarLoopResult]: For program point L486(lines 486 503) no Hoare annotation was computed. [2020-07-19 21:11:28,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:11:28 BoogieIcfgContainer [2020-07-19 21:11:28,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:11:28,480 INFO L168 Benchmark]: Toolchain (without parser) took 217870.20 ms. Allocated memory was 141.0 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 105.1 MB in the beginning and 588.7 MB in the end (delta: -483.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,481 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 141.0 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.55 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 104.7 MB in the beginning and 175.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,481 INFO L168 Benchmark]: Boogie Preprocessor took 131.98 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,482 INFO L168 Benchmark]: RCFGBuilder took 1219.33 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.5 MB in the beginning and 189.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,482 INFO L168 Benchmark]: TraceAbstraction took 215857.23 ms. Allocated memory was 234.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 188.0 MB in the beginning and 588.7 MB in the end (delta: -400.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-07-19 21:11:28,484 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 141.0 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.55 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 104.7 MB in the beginning and 175.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.98 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.33 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.5 MB in the beginning and 189.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215857.23 ms. Allocated memory was 234.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 188.0 MB in the beginning and 588.7 MB in the end (delta: -400.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && waterLevel <= 1) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 0 == pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 103.1s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 88.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 112.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2655 SDtfs, 9903 SDslu, 6038 SDs, 0 SdLazy, 27530 SolverSat, 8559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2889 GetRequests, 2375 SyntacticMatches, 12 SemanticMatches, 502 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11220 ImplicationChecksByTransitivity, 45.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2031occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1698 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 5688 PreInvPairs, 7483 NumberOfFragments, 2341 HoareAnnotationTreeSize, 5688 FomulaSimplifications, 7852902507 FormulaSimplificationTreeSizeReduction, 55.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 24761201 FormulaSimplificationTreeSizeReductionInter, 56.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 3683 NumberOfCodeBlocks, 3683 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3665 ConstructedInterpolants, 0 QuantifiedInterpolants, 2174973 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6294 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 2827/3100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...