/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.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:58:31,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:58:31,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:58:31,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:58:31,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:58:31,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:58:31,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:58:31,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:58:31,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:58:31,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:58:31,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:58:31,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:58:31,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:58:31,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:58:31,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:58:31,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:58:31,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:58:31,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:58:31,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:58:31,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:58:31,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:58:31,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:58:31,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:58:31,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:58:31,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:58:31,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:58:31,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:58:31,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:58:31,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:58:31,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:58:31,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:58:31,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:58:31,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:58:31,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:58:31,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:58:31,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:58:31,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:58:31,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:58:31,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:58:31,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:58:31,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:58:31,347 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 22:58:31,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:58:31,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:58:31,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:58:31,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:58:31,372 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:58:31,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:58:31,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:58:31,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:58:31,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:58:31,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:58:31,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:58:31,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:58:31,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:58:31,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:58:31,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:58:31,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:58:31,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:58:31,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:58:31,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:58:31,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:58:31,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:58:31,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:58:31,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:58:31,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:58:31,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:58:31,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:58:31,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:58:31,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:58:31,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:58:31,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:58:31,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:58:31,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:58:31,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:58:31,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:58:31,687 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:58:31,688 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-19 22:58:31,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee4c33b5/109e18e9797a41ae8b0098f08c37f42a/FLAG847905185 [2020-07-19 22:58:32,310 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:58:32,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-19 22:58:32,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee4c33b5/109e18e9797a41ae8b0098f08c37f42a/FLAG847905185 [2020-07-19 22:58:32,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee4c33b5/109e18e9797a41ae8b0098f08c37f42a [2020-07-19 22:58:32,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:58:32,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:58:32,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:58:32,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:58:32,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:58:32,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:58:32" (1/1) ... [2020-07-19 22:58:32,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62732735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:32, skipping insertion in model container [2020-07-19 22:58:32,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:58:32" (1/1) ... [2020-07-19 22:58:32,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:58:32,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:58:33,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:58:33,225 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:58:33,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:58:33,359 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:58:33,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33 WrapperNode [2020-07-19 22:58:33,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:58:33,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:58:33,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:58:33,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:58:33,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (1/1) ... [2020-07-19 22:58:33,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:58:33,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:58:33,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:58:33,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:58:33,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (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 22:58:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:58:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:58:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:58:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:58:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:58:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:58:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:58:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:58:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:58:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:58:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:58:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:58:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:58:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:58:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:58:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:58:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:58:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:58:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:58:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:58:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:58:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:58:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:58:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:58:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:58:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:58:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:58:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:58:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:58:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:58:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:58:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:58:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:58:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:58:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:58:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:58:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:58:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:58:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:58:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:58:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:58:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:58:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:58:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:58:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:58:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:58:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:58:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:58:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:58:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:58:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:58:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:58:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:58:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:58:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:58:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:58:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:58:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:58:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:58:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:58:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:58:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:58:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:58:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:58:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:58:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:58:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:58:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:58:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:58:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:58:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:58:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:58:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:58:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:58:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:58:34,872 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:58:34,873 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:58:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:58:34 BoogieIcfgContainer [2020-07-19 22:58:34,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:58:34,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:58:34,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:58:34,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:58:34,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:58:32" (1/3) ... [2020-07-19 22:58:34,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a504f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:58:34, skipping insertion in model container [2020-07-19 22:58:34,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:33" (2/3) ... [2020-07-19 22:58:34,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a504f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:58:34, skipping insertion in model container [2020-07-19 22:58:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:58:34" (3/3) ... [2020-07-19 22:58:34,887 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-07-19 22:58:34,897 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:58:34,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:58:34,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:58:34,946 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:58:34,946 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:58:34,946 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:58:34,946 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:58:34,946 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:58:34,947 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:58:34,947 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:58:34,947 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:58:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2020-07-19 22:58:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:58:34,982 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:34,983 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 22:58:34,984 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:34,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:34,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2020-07-19 22:58:35,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:35,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027304300] [2020-07-19 22:58:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,634 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:35,809 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 22:58:35,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027304300] [2020-07-19 22:58:35,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:35,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:58:35,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880817001] [2020-07-19 22:58:35,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:58:35,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:35,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:58:35,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:58:35,840 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 4 states. [2020-07-19 22:58:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:37,120 INFO L93 Difference]: Finished difference Result 356 states and 457 transitions. [2020-07-19 22:58:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:58:37,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:58:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:37,137 INFO L225 Difference]: With dead ends: 356 [2020-07-19 22:58:37,138 INFO L226 Difference]: Without dead ends: 195 [2020-07-19 22:58:37,143 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 22:58:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-19 22:58:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 162. [2020-07-19 22:58:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-19 22:58:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-07-19 22:58:37,251 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2020-07-19 22:58:37,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:37,252 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-07-19 22:58:37,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:58:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-07-19 22:58:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:58:37,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:37,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:37,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:58:37,264 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:37,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:37,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2020-07-19 22:58:37,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:37,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878436511] [2020-07-19 22:58:37,265 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,627 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:37,695 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 22:58:37,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878436511] [2020-07-19 22:58:37,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:37,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:58:37,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843175315] [2020-07-19 22:58:37,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:58:37,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:37,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:58:37,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:58:37,699 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 5 states. [2020-07-19 22:58:38,192 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:39,335 INFO L93 Difference]: Finished difference Result 295 states and 361 transitions. [2020-07-19 22:58:39,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:58:39,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:58:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:39,340 INFO L225 Difference]: With dead ends: 295 [2020-07-19 22:58:39,340 INFO L226 Difference]: Without dead ends: 185 [2020-07-19 22:58:39,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:58:39,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-19 22:58:39,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-07-19 22:58:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-19 22:58:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-19 22:58:39,387 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2020-07-19 22:58:39,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:39,387 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-19 22:58:39,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:58:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-19 22:58:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 22:58:39,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:39,390 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 22:58:39,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:58:39,390 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:39,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:39,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2020-07-19 22:58:39,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:39,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592491269] [2020-07-19 22:58:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,698 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,843 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 22:58:39,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592491269] [2020-07-19 22:58:39,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:39,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:39,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038094214] [2020-07-19 22:58:39,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:39,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:39,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:39,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:39,846 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 9 states. [2020-07-19 22:58:40,225 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:40,568 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:40,802 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:41,039 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:41,892 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:43,995 INFO L93 Difference]: Finished difference Result 508 states and 630 transitions. [2020-07-19 22:58:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:58:44,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 22:58:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:44,005 INFO L225 Difference]: With dead ends: 508 [2020-07-19 22:58:44,005 INFO L226 Difference]: Without dead ends: 383 [2020-07-19 22:58:44,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:58:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-19 22:58:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 326. [2020-07-19 22:58:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-07-19 22:58:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 396 transitions. [2020-07-19 22:58:44,091 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 396 transitions. Word has length 64 [2020-07-19 22:58:44,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:44,092 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 396 transitions. [2020-07-19 22:58:44,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 396 transitions. [2020-07-19 22:58:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 22:58:44,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:44,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:44,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:58:44,095 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:44,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:44,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2020-07-19 22:58:44,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:44,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405233892] [2020-07-19 22:58:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,414 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:44,538 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 22:58:44,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405233892] [2020-07-19 22:58:44,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:44,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:44,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009302000] [2020-07-19 22:58:44,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:44,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:44,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:44,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:44,541 INFO L87 Difference]: Start difference. First operand 326 states and 396 transitions. Second operand 9 states. [2020-07-19 22:58:44,942 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:45,599 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:46,464 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:46,763 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:47,061 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:47,312 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:48,162 INFO L93 Difference]: Finished difference Result 827 states and 1076 transitions. [2020-07-19 22:58:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:58:48,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 22:58:48,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:48,171 INFO L225 Difference]: With dead ends: 827 [2020-07-19 22:58:48,172 INFO L226 Difference]: Without dead ends: 529 [2020-07-19 22:58:48,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 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 22:58:48,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-07-19 22:58:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 465. [2020-07-19 22:58:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-07-19 22:58:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 561 transitions. [2020-07-19 22:58:48,325 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 561 transitions. Word has length 70 [2020-07-19 22:58:48,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:48,326 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 561 transitions. [2020-07-19 22:58:48,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 561 transitions. [2020-07-19 22:58:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:58:48,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:48,330 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 22:58:48,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:58:48,330 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:48,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2020-07-19 22:58:48,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:48,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027161589] [2020-07-19 22:58:48,332 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,640 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:48,845 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 22:58:48,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027161589] [2020-07-19 22:58:48,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:48,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:48,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568294309] [2020-07-19 22:58:48,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:48,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:48,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:48,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:48,850 INFO L87 Difference]: Start difference. First operand 465 states and 561 transitions. Second operand 9 states. [2020-07-19 22:58:49,923 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:50,203 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:50,446 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:50,677 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:51,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:51,552 INFO L93 Difference]: Finished difference Result 988 states and 1255 transitions. [2020-07-19 22:58:51,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:58:51,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-07-19 22:58:51,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:51,560 INFO L225 Difference]: With dead ends: 988 [2020-07-19 22:58:51,560 INFO L226 Difference]: Without dead ends: 551 [2020-07-19 22:58:51,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:58:51,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-19 22:58:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 478. [2020-07-19 22:58:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-19 22:58:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 575 transitions. [2020-07-19 22:58:51,644 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 575 transitions. Word has length 97 [2020-07-19 22:58:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:51,645 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 575 transitions. [2020-07-19 22:58:51,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 575 transitions. [2020-07-19 22:58:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:58:51,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:51,647 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 22:58:51,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:58:51,648 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:51,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2020-07-19 22:58:51,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:51,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402317908] [2020-07-19 22:58:51,649 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:51,980 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:52,118 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 22:58:52,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402317908] [2020-07-19 22:58:52,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:52,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:58:52,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709022643] [2020-07-19 22:58:52,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:58:52,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:52,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:58:52,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:58:52,121 INFO L87 Difference]: Start difference. First operand 478 states and 575 transitions. Second operand 11 states. [2020-07-19 22:58:52,653 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:52,917 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:53,156 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:53,997 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:54,280 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:54,550 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:55,537 INFO L93 Difference]: Finished difference Result 1015 states and 1308 transitions. [2020-07-19 22:58:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:58:55,537 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-07-19 22:58:55,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:55,544 INFO L225 Difference]: With dead ends: 1015 [2020-07-19 22:58:55,544 INFO L226 Difference]: Without dead ends: 565 [2020-07-19 22:58:55,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:58:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-19 22:58:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 486. [2020-07-19 22:58:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-07-19 22:58:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2020-07-19 22:58:55,707 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 97 [2020-07-19 22:58:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:55,707 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2020-07-19 22:58:55,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:58:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2020-07-19 22:58:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:58:55,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:55,709 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 22:58:55,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:58:55,710 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:55,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2020-07-19 22:58:55,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:55,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604162208] [2020-07-19 22:58:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:55,967 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:56,132 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 22:58:56,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604162208] [2020-07-19 22:58:56,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:56,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:58:56,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681783039] [2020-07-19 22:58:56,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:58:56,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:56,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:58:56,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:58:56,134 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 7 states. [2020-07-19 22:58:56,490 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:57,038 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:59,309 INFO L93 Difference]: Finished difference Result 1503 states and 1948 transitions. [2020-07-19 22:58:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:58:59,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-07-19 22:58:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:59,319 INFO L225 Difference]: With dead ends: 1503 [2020-07-19 22:58:59,319 INFO L226 Difference]: Without dead ends: 1045 [2020-07-19 22:58:59,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:58:59,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-07-19 22:58:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 971. [2020-07-19 22:58:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-07-19 22:58:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1183 transitions. [2020-07-19 22:58:59,501 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1183 transitions. Word has length 97 [2020-07-19 22:58:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:59,502 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1183 transitions. [2020-07-19 22:58:59,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:58:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1183 transitions. [2020-07-19 22:58:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-19 22:58:59,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:59,508 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 22:58:59,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:58:59,509 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:59,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:59,509 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2020-07-19 22:58:59,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:59,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155566776] [2020-07-19 22:58:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:58:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:59,955 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:00,121 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 22:59:00,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155566776] [2020-07-19 22:59:00,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:00,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:59:00,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355424473] [2020-07-19 22:59:00,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:59:00,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:00,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:59:00,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:59:00,125 INFO L87 Difference]: Start difference. First operand 971 states and 1183 transitions. Second operand 12 states. [2020-07-19 22:59:00,543 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:01,210 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:01,880 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:02,218 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:02,477 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:02,773 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:03,046 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:05,133 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:05,461 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:06,157 INFO L93 Difference]: Finished difference Result 2749 states and 3568 transitions. [2020-07-19 22:59:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:59:06,158 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-07-19 22:59:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:06,174 INFO L225 Difference]: With dead ends: 2749 [2020-07-19 22:59:06,174 INFO L226 Difference]: Without dead ends: 2004 [2020-07-19 22:59:06,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:59:06,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-19 22:59:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1704. [2020-07-19 22:59:06,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-07-19 22:59:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2058 transitions. [2020-07-19 22:59:06,651 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2058 transitions. Word has length 101 [2020-07-19 22:59:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:06,655 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 2058 transitions. [2020-07-19 22:59:06,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:59:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2058 transitions. [2020-07-19 22:59:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-19 22:59:06,664 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:06,665 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 22:59:06,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:59:06,666 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:06,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2020-07-19 22:59:06,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:06,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286279216] [2020-07-19 22:59:06,667 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:59:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:06,997 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:07,367 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 22:59:07,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286279216] [2020-07-19 22:59:07,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927177395] [2020-07-19 22:59:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@347de01 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 22:59:07,919 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@347de01 issued 4 check-sat command(s) [2020-07-19 22:59:07,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:07,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:59:07,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:08,109 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 22:59:08,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:08,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:59:08,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651433453] [2020-07-19 22:59:08,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:59:08,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:08,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:59:08,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:59:08,112 INFO L87 Difference]: Start difference. First operand 1704 states and 2058 transitions. Second operand 20 states. [2020-07-19 22:59:08,640 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:09,061 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:59:09,346 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:59:09,611 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:59:10,358 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 22:59:10,624 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:59:10,990 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:59:11,549 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 22:59:11,855 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:59:13,074 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:13,694 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:14,026 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:14,454 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:15,078 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:15,551 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:59:16,217 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-19 22:59:16,621 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:16,943 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:17,517 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:18,301 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:18,761 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:19,074 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:19,355 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:19,657 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 22:59:19,964 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:20,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:20,249 INFO L93 Difference]: Finished difference Result 3691 states and 4609 transitions. [2020-07-19 22:59:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-19 22:59:20,250 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 178 [2020-07-19 22:59:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:20,264 INFO L225 Difference]: With dead ends: 3691 [2020-07-19 22:59:20,264 INFO L226 Difference]: Without dead ends: 2201 [2020-07-19 22:59:20,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=1023, Invalid=4379, Unknown=0, NotChecked=0, Total=5402 [2020-07-19 22:59:20,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2020-07-19 22:59:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 1975. [2020-07-19 22:59:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2020-07-19 22:59:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2330 transitions. [2020-07-19 22:59:20,688 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2330 transitions. Word has length 178 [2020-07-19 22:59:20,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:20,689 INFO L479 AbstractCegarLoop]: Abstraction has 1975 states and 2330 transitions. [2020-07-19 22:59:20,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:59:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2330 transitions. [2020-07-19 22:59:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-07-19 22:59:20,703 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:20,704 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 22:59:20,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:59:20,920 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:20,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:20,920 INFO L82 PathProgramCache]: Analyzing trace with hash 477472839, now seen corresponding path program 1 times [2020-07-19 22:59:20,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:20,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48799986] [2020-07-19 22:59:20,921 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:59:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,318 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 77 proven. 31 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-07-19 22:59:21,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48799986] [2020-07-19 22:59:21,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566615693] [2020-07-19 22:59:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1de45f09 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:59:22,721 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1de45f09 issued 3 check-sat command(s) [2020-07-19 22:59:22,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:22,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:59:22,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:23,068 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 22:59:23,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:23,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-19 22:59:23,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995582926] [2020-07-19 22:59:23,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 22:59:23,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 22:59:23,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-19 22:59:23,073 INFO L87 Difference]: Start difference. First operand 1975 states and 2330 transitions. Second operand 25 states. [2020-07-19 22:59:24,177 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:59:25,101 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:26,196 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:59:26,779 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:59:27,334 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:59:27,610 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:27,968 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:28,285 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:28,560 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:28,868 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:30,146 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:30,456 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:35,187 INFO L93 Difference]: Finished difference Result 4976 states and 6678 transitions. [2020-07-19 22:59:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-19 22:59:35,188 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 301 [2020-07-19 22:59:35,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:35,215 INFO L225 Difference]: With dead ends: 4976 [2020-07-19 22:59:35,215 INFO L226 Difference]: Without dead ends: 3048 [2020-07-19 22:59:35,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 420 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-19 22:59:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2020-07-19 22:59:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2196. [2020-07-19 22:59:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2020-07-19 22:59:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2585 transitions. [2020-07-19 22:59:35,862 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2585 transitions. Word has length 301 [2020-07-19 22:59:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:35,863 INFO L479 AbstractCegarLoop]: Abstraction has 2196 states and 2585 transitions. [2020-07-19 22:59:35,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 22:59:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2585 transitions. [2020-07-19 22:59:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-19 22:59:35,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:35,880 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 22:59:36,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:59:36,094 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:36,095 INFO L82 PathProgramCache]: Analyzing trace with hash -971863191, now seen corresponding path program 1 times [2020-07-19 22:59:36,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:36,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379573077] [2020-07-19 22:59:36,096 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:59:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,429 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:36,867 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 22:59:36,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379573077] [2020-07-19 22:59:36,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613423077] [2020-07-19 22:59:36,868 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@33591eb1 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 22:59:37,513 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@33591eb1 issued 3 check-sat command(s) [2020-07-19 22:59:37,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:37,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 22:59:37,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:37,830 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 22:59:37,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:37,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 22:59:37,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350202555] [2020-07-19 22:59:37,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 22:59:37,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:37,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 22:59:37,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:59:37,837 INFO L87 Difference]: Start difference. First operand 2196 states and 2585 transitions. Second operand 22 states. [2020-07-19 22:59:38,648 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 22:59:39,218 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 22:59:39,702 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:59:40,167 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:59:41,132 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:59:42,336 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:42,861 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:59:43,331 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:59:43,940 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:45,150 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:45,396 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:46,281 INFO L93 Difference]: Finished difference Result 4316 states and 5235 transitions. [2020-07-19 22:59:46,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 22:59:46,281 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 313 [2020-07-19 22:59:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:46,296 INFO L225 Difference]: With dead ends: 4316 [2020-07-19 22:59:46,296 INFO L226 Difference]: Without dead ends: 2353 [2020-07-19 22:59:46,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 22:59:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-07-19 22:59:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2198. [2020-07-19 22:59:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2198 states. [2020-07-19 22:59:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 2581 transitions. [2020-07-19 22:59:46,894 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 2581 transitions. Word has length 313 [2020-07-19 22:59:46,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:46,895 INFO L479 AbstractCegarLoop]: Abstraction has 2198 states and 2581 transitions. [2020-07-19 22:59:46,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 22:59:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2581 transitions. [2020-07-19 22:59:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-19 22:59:46,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:46,906 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 22:59:47,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 22:59:47,119 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:47,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:47,119 INFO L82 PathProgramCache]: Analyzing trace with hash -2027531651, now seen corresponding path program 1 times [2020-07-19 22:59:47,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:47,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436148814] [2020-07-19 22:59:47,120 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 22:59:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,434 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:47,996 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 22:59:47,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436148814] [2020-07-19 22:59:47,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098426059] [2020-07-19 22:59:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534697fe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:59:48,397 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534697fe issued 3 check-sat command(s) [2020-07-19 22:59:48,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:48,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:59:48,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:48,590 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 22:59:48,590 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 22:59:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 243 proven. 18 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 22:59:48,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:48,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 24 [2020-07-19 22:59:48,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230116762] [2020-07-19 22:59:48,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 22:59:48,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:48,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 22:59:48,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:59:48,705 INFO L87 Difference]: Start difference. First operand 2198 states and 2581 transitions. Second operand 24 states. [2020-07-19 22:59:49,227 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:50,278 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:51,459 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:51,970 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:55,909 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:56,197 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:56,454 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:56,733 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:57,198 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:59:57,662 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:59:57,936 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:58,234 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:58,736 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:59:59,206 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:59:59,552 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:59:59,894 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:00,174 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:00,694 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:00:01,211 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-19 23:00:02,326 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-19 23:00:05,332 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 23:00:07,367 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:00:07,868 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:00:08,343 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-19 23:00:08,845 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 23:00:09,379 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 23:00:10,408 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 23:00:10,914 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 23:00:11,392 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 23:00:11,895 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-19 23:00:12,444 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:00:12,997 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 23:00:13,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:13,588 INFO L93 Difference]: Finished difference Result 8748 states and 10991 transitions. [2020-07-19 23:00:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-07-19 23:00:13,591 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 314 [2020-07-19 23:00:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:13,625 INFO L225 Difference]: With dead ends: 8748 [2020-07-19 23:00:13,625 INFO L226 Difference]: Without dead ends: 6544 [2020-07-19 23:00:13,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3556 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1656, Invalid=9474, Unknown=0, NotChecked=0, Total=11130 [2020-07-19 23:00:13,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2020-07-19 23:00:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 5542. [2020-07-19 23:00:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5542 states. [2020-07-19 23:00:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 6386 transitions. [2020-07-19 23:00:14,975 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 6386 transitions. Word has length 314 [2020-07-19 23:00:14,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:14,978 INFO L479 AbstractCegarLoop]: Abstraction has 5542 states and 6386 transitions. [2020-07-19 23:00:14,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 23:00:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 6386 transitions. [2020-07-19 23:00:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-07-19 23:00:14,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:14,999 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:00:15,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:15,214 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:15,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:15,215 INFO L82 PathProgramCache]: Analyzing trace with hash -255318821, now seen corresponding path program 1 times [2020-07-19 23:00:15,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:15,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067652845] [2020-07-19 23:00:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e321f47 [2020-07-19 23:00:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,554 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 77 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-19 23:00:15,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067652845] [2020-07-19 23:00:15,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25141253] [2020-07-19 23:00:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@37b455fa 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 23:00:16,248 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@37b455fa issued 3 check-sat command(s) [2020-07-19 23:00:16,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:16,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 23:00:16,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-07-19 23:00:16,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:00:16,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 15 [2020-07-19 23:00:16,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461991771] [2020-07-19 23:00:16,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 23:00:16,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:16,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 23:00:16,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:00:16,306 INFO L87 Difference]: Start difference. First operand 5542 states and 6386 transitions. Second operand 6 states. [2020-07-19 23:00:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:16,662 INFO L93 Difference]: Finished difference Result 6968 states and 7942 transitions. [2020-07-19 23:00:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 23:00:16,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 318 [2020-07-19 23:00:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:16,665 INFO L225 Difference]: With dead ends: 6968 [2020-07-19 23:00:16,665 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:00:16,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-19 23:00:16,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:00:16,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:00:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:00:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:00:16,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2020-07-19 23:00:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:16,687 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:00:16,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 23:00:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:00:16,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:00:16,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 23:00:16,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:00:17,137 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-07-19 23:00:17,465 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-07-19 23:00:17,783 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-07-19 23:00:18,035 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-07-19 23:00:18,189 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-07-19 23:00:18,433 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-07-19 23:00:19,460 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 369 [2020-07-19 23:00:19,601 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-07-19 23:00:19,774 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-07-19 23:00:25,289 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-07-19 23:00:28,524 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 229 [2020-07-19 23:00:31,224 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 409 [2020-07-19 23:00:33,440 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 318 [2020-07-19 23:00:34,043 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 365 [2020-07-19 23:00:35,094 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-07-19 23:00:35,947 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 331 [2020-07-19 23:00:36,430 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 236 [2020-07-19 23:00:36,669 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 234 [2020-07-19 23:00:38,593 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 210 DAG size of output: 27 [2020-07-19 23:00:38,841 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-19 23:00:39,031 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 23:00:39,432 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 23:00:40,716 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-07-19 23:00:41,473 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 26 [2020-07-19 23:00:41,679 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-07-19 23:00:43,041 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 30 [2020-07-19 23:00:44,156 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-07-19 23:00:45,124 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 23 [2020-07-19 23:00:46,041 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 35 [2020-07-19 23:00:46,765 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 20 [2020-07-19 23:00:46,980 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-19 23:00:47,123 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 19 [2020-07-19 23:00:47,344 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:47,594 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 23:00:47,803 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 23:00:47,998 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 23:00:48,192 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-19 23:00:49,811 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 319 DAG size of output: 34 [2020-07-19 23:00:50,568 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 1 [2020-07-19 23:00:51,826 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 277 DAG size of output: 25 [2020-07-19 23:00:52,072 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-19 23:00:52,428 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 13 [2020-07-19 23:00:53,668 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 222 DAG size of output: 26 [2020-07-19 23:00:54,690 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-07-19 23:00:56,148 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 308 DAG size of output: 25 [2020-07-19 23:00:56,344 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 23:00:57,534 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-07-19 23:00:58,550 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 208 DAG size of output: 20 [2020-07-19 23:01:00,185 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 320 DAG size of output: 31 [2020-07-19 23:01:01,005 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 31 [2020-07-19 23:01:01,452 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 17 [2020-07-19 23:01:01,963 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 20 [2020-07-19 23:01:02,407 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 28 [2020-07-19 23:01:03,270 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 28 [2020-07-19 23:01:04,080 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 34 [2020-07-19 23:01:04,273 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 23:01:04,472 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 23:01:04,669 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 23:01:05,168 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 21 [2020-07-19 23:01:05,354 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-19 23:01:05,595 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-19 23:01:05,800 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 23:01:06,546 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-07-19 23:01:07,945 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 270 DAG size of output: 31 [2020-07-19 23:01:08,156 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 23:01:09,193 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 193 DAG size of output: 25 [2020-07-19 23:01:09,387 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-07-19 23:01:09,797 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-07-19 23:01:11,015 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 201 DAG size of output: 23 [2020-07-19 23:01:11,234 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 23:01:12,345 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 252 DAG size of output: 32 [2020-07-19 23:01:13,167 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-07-19 23:01:13,404 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 23:01:14,602 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2020-07-19 23:01:15,403 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2020-07-19 23:01:15,614 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 23:01:15,618 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 23:01:15,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:01:15,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 23:01:15,621 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 23:01:15,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 23:01:15,621 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 23:01:15,621 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2020-07-19 23:01:15,622 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-19 23:01:15,622 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2020-07-19 23:01:15,622 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2020-07-19 23:01:15,622 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2020-07-19 23:01:15,622 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) 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 23:01:15,622 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2020-07-19 23:01:15,622 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2020-07-19 23:01:15,622 INFO L268 CegarLoopResult]: For program point L993(line 993) no Hoare annotation was computed. [2020-07-19 23:01:15,623 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 23:01:15,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2020-07-19 23:01:15,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2020-07-19 23:01:15,623 INFO L264 CegarLoopResult]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-19 23:01:15,623 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-19 23:01:15,623 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2020-07-19 23:01:15,623 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2020-07-19 23:01:15,624 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 1 ~waterLevel~0)) (= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0) .cse0) (or .cse1 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or .cse1 .cse0))) [2020-07-19 23:01:15,624 INFO L268 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-07-19 23:01:15,624 INFO L268 CegarLoopResult]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2020-07-19 23:01:15,624 INFO L268 CegarLoopResult]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2020-07-19 23:01:15,624 INFO L271 CegarLoopResult]: At program point L1004(line 1004) the Hoare annotation is: true [2020-07-19 23:01:15,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2020-07-19 23:01:15,624 INFO L268 CegarLoopResult]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2020-07-19 23:01:15,624 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:01:15,625 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 23:01:15,625 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:01:15,625 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:01:15,625 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-19 23:01:15,625 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-19 23:01:15,625 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 23:01:15,625 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:01:15,626 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:01:15,626 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 23:01:15,626 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 23:01:15,627 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= 0 |old(~systemActive~0)|)) (or (not (= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1))) [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse0 (= 0 ~pumpRunning~0)))) (and (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= 0 |old(~systemActive~0)|)) (or .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3)))) [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-19 23:01:15,628 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2020-07-19 23:01:15,628 INFO L268 CegarLoopResult]: For program point L953(lines 953 957) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-19 23:01:15,629 INFO L268 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point L908(lines 908 916) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 23:01:15,630 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 23:01:15,631 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 23:01:15,632 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2020-07-19 23:01:15,632 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point L832(lines 832 849) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3))) [2020-07-19 23:01:15,633 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2020-07-19 23:01:15,633 INFO L268 CegarLoopResult]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2020-07-19 23:01:15,633 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse3 .cse4 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7))) (or (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4 .cse2))) [2020-07-19 23:01:15,633 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 .cse3 .cse4 .cse2 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse4 .cse2))) [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point L836(lines 836 844) no Hoare annotation was computed. [2020-07-19 23:01:15,634 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2020-07-19 23:01:15,634 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2020-07-19 23:01:15,634 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:01:15,634 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-19 23:01:15,634 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse1))) [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-19 23:01:15,634 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-19 23:01:15,635 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse2 .cse1))) [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 23:01:15,635 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point L685(lines 685 693) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 677 699) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 677 699) no Hoare annotation was computed. [2020-07-19 23:01:15,636 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 677 699) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 23:01:15,637 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 23:01:15,638 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 513 522) no Hoare annotation was computed. [2020-07-19 23:01:15,639 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 513 522) no Hoare annotation was computed. [2020-07-19 23:01:15,639 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed. [2020-07-19 23:01:15,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,639 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~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.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~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.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~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 23:01:15,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,639 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-19 23:01:15,640 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L271 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: true [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-19 23:01:15,640 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2))) [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not .cse5)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 (and .cse2 (= 2 ~waterLevel~0) .cse3)) (or .cse1 (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4))))) [2020-07-19 23:01:15,641 INFO L264 CegarLoopResult]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse3) .cse4 .cse2 (and (not .cse5) .cse3 (<= 1 ~pumpRunning~0)))) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1)))) [2020-07-19 23:01:15,641 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (= 2 ~waterLevel~0) .cse1) .cse2 .cse3) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4) (= 0 ~systemActive~0)) (or (and .cse0 .cse1 .cse4) .cse3 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 23:01:15,641 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1) (or .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point L748(lines 744 766) no Hoare annotation was computed. [2020-07-19 23:01:15,641 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point L746(lines 744 766) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-19 23:01:15,642 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 23:01:15,642 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (or (not (= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-19 23:01:15,643 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,643 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 23:01:15,643 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:01:15,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2))) [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0))) [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2))) [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 (= 0 ~pumpRunning~0)))) [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point L784(lines 784 792) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2))) [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L268 CegarLoopResult]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2020-07-19 23:01:15,644 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~systemActive~0) (= 2 ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 23:01:15,645 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2020-07-19 23:01:15,645 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-07-19 23:01:15,645 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2020-07-19 23:01:15,645 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2020-07-19 23:01:15,645 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2020-07-19 23:01:15,645 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-19 23:01:15,645 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3))) [2020-07-19 23:01:15,645 INFO L268 CegarLoopResult]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2020-07-19 23:01:15,645 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-19 23:01:15,645 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 (not (= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~6))) (or .cse0 .cse2 .cse1) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 23:01:15,646 INFO L268 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-07-19 23:01:15,646 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-19 23:01:15,646 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-19 23:01:15,646 INFO L268 CegarLoopResult]: For program point L806(lines 806 823) no Hoare annotation was computed. [2020-07-19 23:01:15,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:01:15 BoogieIcfgContainer [2020-07-19 23:01:15,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:01:15,668 INFO L168 Benchmark]: Toolchain (without parser) took 163061.82 ms. Allocated memory was 144.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 100.3 MB in the beginning and 1.1 GB in the end (delta: -973.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,668 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.04 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 168.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,671 INFO L168 Benchmark]: Boogie Preprocessor took 139.78 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,671 INFO L168 Benchmark]: RCFGBuilder took 1377.50 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 189.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,673 INFO L168 Benchmark]: TraceAbstraction took 160786.76 ms. Allocated memory was 234.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 189.2 MB in the beginning and 1.1 GB in the end (delta: -884.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 23:01:15,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.04 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 168.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.78 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1377.50 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 189.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 160786.76 ms. Allocated memory was 234.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 189.2 MB in the beginning and 1.1 GB in the end (delta: -884.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || ((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 101.9s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 84.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 58.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2632 SDtfs, 7145 SDslu, 5893 SDs, 0 SdLazy, 25958 SolverSat, 5908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2648 GetRequests, 2231 SyntacticMatches, 5 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7200 ImplicationChecksByTransitivity, 43.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5542occurred 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: 4.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 2947 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 7211 PreInvPairs, 7436 NumberOfFragments, 2072 HoareAnnotationTreeSize, 7211 FomulaSimplifications, 1688046466 FormulaSimplificationTreeSizeReduction, 19.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9415529 FormulaSimplificationTreeSizeReductionInter, 38.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 3493 NumberOfCodeBlocks, 3189 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3475 ConstructedInterpolants, 0 QuantifiedInterpolants, 1768015 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5557 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2440/2604 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...